Gas purification apparatus, namely gas purification installations, in particular installations for the purification of measuring and sample gas, gas dilution units for the purification of measuring and sample gases, gas purification apparatus having suspended wash bottles, in particular for washing out components from measuring or sample gases; gas-scrubbing apparatus; gas scrubbers as parts of gas installations; air purifying apparatus and machines; air dryers; apparatus for heating, steam generating, refrigerating, drying, ventilating and water supply purposes; gas preheaters, in particular for preheating measuring or sample gas; heat exchangers, other than parts of machines; electric heating apparatus, in particular for gas sampling probes; cooling installations, machines and apparatus, in particular for gases, air and liquids, including peltier coolers and precoolers; filters for the purification of gases, included in this class; prefilters for the purification of sample gases; evaporators; regulating and safety accessories for gas apparatus; parts and accessories for the aforesaid goods, included in this class.

Retailing and wholesaling, such services also provided via electronic media and via the lnternet and via a catalogue, in all the following fields in this class: construction materials and components of metal, hardware and metal goods, compressors, condensing installations, air condensers, pumps, control apparatus for compressors, control apparatus for condensing machines, control apparatus for air condensers, control apparatus for pumps; retailing and wholesaling, such services also provided via electronic media and via the lnternet and via a catalogue, in all the following fields in this class: hand tools and instruments (hand operated), scientific apparatus and instruments, analysis and diagnostic apparatus, surveying apparatus and instruments, optical apparatus and instruments, weighing apparatus and instruments, measuring apparatus and instruments, signaling apparatus and instruments, checking (supervision) apparatus and instruments; retailing and wholesaling, such services also provided via electronic media and via the lnternet and via a catalogue, in all the following fields in this class: gas- and air-analysis apparatus, physics (apparatus and instruments for -), apparatus for recording of images and data, apparatus for transmission of images and data, apparatus for the storage of images and data, apparatus for processing images and data, apparatus for reproduction of images and data, calculating machines, computers, computer software; retailing and wholesaling, such services also provided via electronic media and via the lnternet and via a catalogue, in all the following fields in this class: apparatus for heating purposes, steam generating apparatus, warming apparatus, refrigerating apparatus, drying apparatus, ventilating apparatus and water supply apparatus; consultancy and information in relation to the aforesaid services, included in this class.

Installation, repair and maintenance of building and construction materials and elements of metal, ironmongery, compressors, condensing installations, air condensers, pumping, control apparatus for compressors, control apparatus for condensing machines, control apparatus for air condensers, control apparatus for pumps, hand tools and implements [hand-operated]; installation services, maintenance and repair of scientific apparatus and instruments, analysis and diagnostic apparatus, surveying apparatus and instruments, optical apparatus and instruments, weighing apparatusand instruments, measuring apparatus and instruments, signalling apparatus and instruments, checking (supervision) apparatus and instruments; installation, maintenance and repair of gas and air analysis apparatus, physical apparatus and instruments, apparatus for recording images and data, apparatus for transmitting images and data, apparatus for storing images and data, apparatus for processing images and data, apparatus for reproducing images and data; installation, maintenance and repair of calculating machines, computers, computer software, heating apparatus, steam generating apparatus, warming apparatus, cooling apparatus, drying apparatus, ventilating and water supply apparatus; consultancy and information in relation to the aforesaid services, included in this class.

Scientific and technological services and research and design relating thereto; engineering services; industrial analysis, industrial research and industrial design; quality control and authentication services; technical drafting, development and design services and engineering relating to construction material and construction elements of metal, iron and metal goods, compressors, condensing installations, air condensers, pumps, control apparatus for compressors, control apparatus for condensing machines, control apparatus for air condensers, control apparatus for pumps; technical drafting, development and design services and engineering relating to hand-operated apparatus and tools, scientific apparatus and instruments, analysis and diagnosis apparatus, surveying apparatus and instruments, optical apparatus and instruments, weighing apparatus and instruments, measuring apparatus and instruments, signalling apparatus and instruments, checking apparatus and instruments; technical drafting, development and design services and engineering relating to gas and air analysis apparatus, physical apparatus and instruments, apparatus for recording images and data, apparatus for transmitting images and data, apparatus for storing images and data, apparatus for processing images and data, apparatus for reproducing images and data, calculating machines, computers, computer software; technical drafting, development and design services and engineering relating to heating apparatus, steam generating apparatus, warming apparatus, apparatus for refrigerating purposes, dryers for apparatus, ventilation devices and water supply equipment.

Computer services, namely, providing information relating to planning and facilities for meetings and conventions via an online computer network.

Gas purification machines; gas scrubbers; gas scrubbers as parts of gas installations; air purifying units; air drying machines for use in gas treatment installations; gas preheating machines for industrial use; heat exchangers, other than parts of machines; electric heating apparatus, in particular for gas sampling probes; cooling domes, electric fans with evaporative cooling devices, portable evaporative air coolers; industrial coolers for gases, air, and liquid including Peltier coolers and pre-coolers; water treatment plant filters, filters for air conditioning, filters for air extractor hoods; cooling evaporators; components for industrial gas treatment machines for purifying, converting, diluting, and sampling of gas, gas purification machines, gas scrubbers as parts of gas installations, air purifying units, air drying machines for use in gas treatment installations, gas preheating machines for industrial use, heat exchangers, other than parts of machines, electric heating apparatus, in particular for gas sampling probes, cooling domes, electric fans with evaporative cooling devices, portable evaporative air coolers, industrial coolers for gases, air, and liquid including Peltier coolers and pre-coolers, water treatment plant filters, filters for air conditioning, filters for air extractor hoods, cooling evaporators, gas cooling units, gas pre-cooling units, gas separators, electric heaters; gas cooling units, gas pre-cooling units, gas separators, electric heaters.

Thermal insulation.

Retailing and wholesaling, including via electronic media, via the internet and via catalogues, in all of the following fields: building and construction materials and elements of metal, ironmongery, compressors, condensing installations, air condensers, pumps, control mechanisms for compressors, control mechanisms for condensing installations, control mechanisms for air condensers, control mechanisms for pumps, hand tools and implements (hand-operated), surveying instruments, optical instruments, weighing instruments, measuring instruments, gas testing instruments, computers, computer software, heaters, scientific apparatus and instruments for sampling and analyzing gases, equipment for sampling and analyzing gases; retailing and wholesaling, including via electronic media, via the internet and via catalogues, of the goods compressed air pumps, vacuum pumps, gas pumps, hose pumps, diaphragm pumps, pump diaphragms, valves as machine components, safety valves, membrane filters for use as parts of machines including suction filters, liquid filters, absorption filters, compressors as parts of machines, motors and engines, air compressors, gas compressors and electric compressors, compressor gas coolers (machines) and parts therefor, namely humidifier containers for humidifying gas upstream of a gas cooler, blowing machines for the compression, exhaustion and transport of gases, compressed air machines, crankcases for machines, motors and engines, condensing installations and parts of machines, namely condensate receivers, condensate separators, condensate waste drainers, electric washing machines for industrial purposes namely for washing out components from gas measuring and sampling machines, voltage regulators, electric control panels, electrical industrial controls for monitoring waste water treatment, electronic servo motor controllers, residual gas analyzers, suspended wash bottles for maintaining constant pressure upstream of a gas analyzer, gas conditioning units, gas dilution units, gas extractive units featuring microprocessor control, gas cooling units, gas pre-cooling units, gas separators, oxygen analyzing units, condensate collector vessels, flowmeters, particle filters, electric heaters, ball valves, diaphragm pumps, Bellows pumps, sorbent trap samplers for wet and dry smoke stacks, automatic liquid drains, gas catalytic converters, fluid particle filters for removal of aerosols from gases, heated valves, sample lines for transporting gas from a sample point to the gas conditioning system, electrically heated sample lines comprised of tubes, heat conductors and thermal insulation, self-heating metal bands for sample lines, electronic temperature controllers for heated sample lines, protective housings for gas sample conditioning systems, electrically heated connectors for gas sampling and analyzing systems, electronic controllers for gas sampling and analyzing systems, gas sample probes, electrically heated gas sample probe tubes, gas sample probe controllers, filters for gas sample probes, flow gauges, flow meters and gas flow monitors, liquid level alarm sensors, carbon dioxide detectors, carbon monoxide detectors, electromagnetic frequency detectors, electromagnetic measuring detectors, electronic industrial controls for motion failure detectors, fire and smoke detectors, gamma radiation detectors, laser speed detectors, magnetic object detectors, metal detectors, motion detectors, radar detectors, radon detectors, seismic detectors, alarms for the detection of inflammable gases, anti-intrusion alarms, control panels for security alarms, door alarms, electronic window alarms, fire alarm systems, gas alarms, gas leak alarms, personal security alarms, security and fire alarms, probes, in particular gas sampling probes, gas sampling pipes and tubes in the form of parts for gas testing instruments, temperature gauges, calculators, computers, computer chipsets for use in transmitting data to and from a central processing unit, pressure relief valves, pressure regulating valves, safety markers, safety goggles, safety helmets for gas apparatus, industrial gas treatment machines for purifying, converting, diluting, and sampling of gas, gas purification machines, gas scrubbers as parts of gas installations, gas sampling pipes and tubes in the form of parts for gas testing instruments, air purifying units, air drying machines for use in gas treatment installations, gas preheating machines for industrial use, heat exchangers, other than parts of machines, electric heating apparatus, in particular for gas sampling probes, cooling domes, electric fans with evaporative cooling devices, portable evaporative air coolers, industrial coolers for gases, air, and liquid including Peltier coolers and pre-coolers, water treatment plant filters, filters for air conditioning, filters for air extractor hoods, prefilters for gas sampling probes, cooling evaporators.