Scientific (other than for medical use), nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), life-saving and teaching apparatus and instruments; scientific, measuring and monitoring instruments and apparatus for the supply and distribution of chemical products, gases and gas mixtures in liquid or gaseous form; devices for micro-biological analysis of industrial and medical gases; mechanical devices, machines and apparatus for measuring gas and gas mixtures; controllers, flow meters, liquid level controllers for filling, storing and distributing gas in compressed and liquefied form; dosing apparatus for liquefied gas; pressure indicators; apparatus and instruments for detecting gas; ionization gages; vacuum gages; spectrometers; pressure gages; devices for accelerated ion devices including coating of substrates; apparatus for analyzing and detecting leaks; gas phase chromatographs; ozone measuring apparatus; gas spectral analyzers; cryostats; ozone generating installations; chemistry apparatus with use with gas for inert operations; parts and components of all the aforesaid goods; monitoring and measuring devices for welding and cutting technology; thyristor welding power controls; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; transformers, electric batteries; fuel cells and their components; anodes, cathodes, electrochemical separation membranes and electrical power collection plates; chemical apparatus for liquefaction and gasification, in particular coal and biomass; chemical apparatus for the production of pharmaceutical products; safety and protection clothing and equipment, in particular welding helmets, protective or safety goggles, clothing for protection against accidents, irradiation and fire, gloves for protection against accidents; self-contained diving suits, breathing apparatus for scuba diving, gas regulators for scuba diving apparatus, underwater telephones, position-sensing apparatus, diving and swimming goggles; diving suits, gloves or masks; software; data carriers for automated reading and related software; equipment for data processing and computers; programming units consisting of data carriers and calculators, in particular for mechanical welding and cutting; electrotechnical and electronic apparatus and instruments for monitoring and controlling processes, data input, data processing and data output; transducers; flow meters, pressure gages; mechanical apparatus and devices for controlling chemicals, gases and gas mixtures in liquid or gaseous form; equipment for controlling inert atmospheres; installations for controlling inert atmospheres

Facilities, apparatus and equipment for igniting, lighting, burning, heating, cooking, suction, drying, steam generation, ventilation, cooling and refrigerating; facilities, apparatus and equipment for distributing fluids; torches and burners, in particular burners for industrial furnaces; facilities, installations and apparatus for the production, liquefaction, drying, separation, purification, capture, storage and distribution of chemicals, gases and gas mixtures in liquid or gaseous form; generators of gases and gas mixtures in liquid or gaseous form; apparatus for transporting, storing, cooling, processing, purifying and removing gaseous, liquid or solid matter; air separators; apparatus for reducing pressure in compressed or liquefied gas; liquefiers; gas generators; controlling valves in tanks; expansion valves and caps to be fitted to gas cylinders; compression apparatus; installations for maintaining and regulating the inert atmosphere; atmosphere generators and installations for the treatment of surfaces; infrastructures and apparatus for the creation and production of vacuum pressure; electric apparatus, namely watertight lamps and components thereof; cryogenic systems, cryogenization apparatus, machines for the cryogenization in transit, equipment cryogenic de-zincing equipment; refrigerating apparatus using gases or mixtures of gases as a source of cold; equipment and installations for the treatment of sludge and waste water; membranes for separating chemicals and gas

Technical and specialized expertise and advice, evaluations, estimates and research in scientific, computer and technological fields provided by engineers, especially for the implementation of chemicals, gases and gas mixtures, in liquid or gaseous form; drafting of plans for the use of gas in technical and scientific fields; design of industrial processes and engineering services for the benefit of others; design, technical development and study of construction projects and the design of industrial installations and machines; advice in the field of environmental protection; chemical analysis services; research and development of new products and processes for others; technical project studies; design and development of computers and software; development (design), installation, maintenance, updating, rental of software

Medical and veterinary services; medical assistance at home; medical imaging services; hospital services; nursing homes; monitoring of patients (medical services); rental of medical apparatus; information and consulting in the medical and pharmaceutical fields