Pumps (parts of machines, engines or motors), including compressed air pumps, vacuum pumps, gas pumps, hose pumps, diaphragm pumps; pump diaphragms; valves, pressure reducing valves, pressure valves, pressure regulators [parts of machines]; filters [parts of machines or engines], namely, suction filters, liquid filters and absorption filters [parts of machines]; compressors [machines]; 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 condensate treatment elements (parts of machines), including condensate receivers, condensate separators, condensate drains; mechanical, pneumatic and hydraulic regulating and control apparatus being parts of machines; parts and fittings for the aforesaid goods (included in this class); gas converters

Analysis equipment, not for medical purposes, in particular equipment for analysing gases; parts for gas testing instruments, namely, suspended wash bottles for maintaining constant pressure upstream of a gas analyser; scientific apparatus and instruments; optical apparatus and instruments; apparatus and instruments for physics; chemistry apparatus and instruments; weighing apparatus and instruments; measuring apparatus, instruments and appliances; flow measuring apparatus; signalling, checking (supervision) and monitoring apparatus and instruments, including liquid alarm sensors; detectors; alarms; diaphragms for scientific apparatus; probes, not for medical purposes, in particular gas sampling probes; gas sampling pipes and tubes being parts for gas testing apparatus; thermostats; apparatus for recording, transmission, storage, processing or reproduction of sound or images; calculating machines, data-processing equipment and computers; computer software; electric and electronic regulating and control apparatus; parts and fittings for the aforesaid goods (included in this class)

Gas treatment apparatus, namely, gas purification apparatus, in particular gas purification and scrubbing installations for treating gas, gas purification units for diluting measuring and sample gas, gas purification apparatus having suspended wash bottles, in particular for washing out components from a measuring or sample gas; gas scrubbing apparatus and gas purification apparatus; gas scrubbers as parts of gas installations; gas sampling pipes and tubes being parts of gas scrubbing and purification apparatus; 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, included in this class; prefilters for gas sampling probes [parts of gas scrubbing and purification apparatus] for gas sampling probes; 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 relation to 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, hand tools and instruments (hand operated); retailing and wholesaling, such services also provided via electronic media and via the lnternet and via a catalogue in relation to scientific apparatus and instruments, analysis and diagnostic apparatus, surveying apparatus and instruments; retailing and wholesaling, such services also provided via electronic media and via the lnternet and via a catalogue in relation to 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 relation togas- and air-analysis apparatus, physics (apparatus and instruments for -); retailing and wholesaling, such services also provided via electronic media and via the lnternet and via a catalogue in relation to 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 relation to 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], scientific apparatus and instruments, analysis and diagnostic apparatus, surveying apparatus and instruments; installation, maintenance and repair of optical apparatus and instruments, weighing apparatus and instruments, measuring apparatus and instruments, signalling apparatus and instruments, inspecting apparatus and instruments, gas and air analysis apparatus, physical apparatus and instruments; installation, maintenance and repair of 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; installation, maintenance and repair of 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