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1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
gases and gases in liquid or dissolved form for use in welding, burning, cutting, as high precision/purity calibrating gases, gases for use in semiconductor production, gases for the treatment of water, for use in the food industry, and for metallurgical purposes, namely, hydrocarbon gases, hydrocarbon compounds, oxygen, oxygen containing gases, nitrogen, hydrogen, carbon dioxide, carbon monoxide, nitric oxides, ammonia, ozone, halogens, halogen compounds, sulfur compounds, argon, acetylene and other fuel gases, shielding gases, ultra high purity gases, all rare gases as well as mixtures of all aforementioned gases, all of the aforesaid gases for industrial applications
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5
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.
gases and gases in liquid or dissolved form for use in medical applications
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6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
installations and containers of metal for the storage and evaporation of liquefied gases, namely, tanks, vessels, drums, and cylinders for the storage of liquefied gases; gas cylinders of metal for the storage of pressurized gas
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
devices for heating, steam generating, refrigerating, drying, and ventilating, namely, apparatus for the liquefaction and separation of air, apparatus for the separation, purification, scrubbing, and liquefaction of gases, apparatus for cracking liquid and gaseous hydrocarbon mixtures, reactors for chemical transformations for the production of basic compounds in the chemical industry, namely, olefins, benzol, naphthalene, alcohol, ammonia, urea, organic acids; petrochemical process and refinery furnaces; cryogenic plants, namely, apparatus for the production, application, and maintenance of cryogenic temperatures, namely, helium liquefiers; evaporators; distillation and rectification apparatus; heat exchangers; gas absorbers; gas scrubbing columns; hydrogen generation equipment, namely, steam reformers; hydrogen generators; food freezing apparatus, namely, refrigerators, freezers, and coolers; pressure reducers, regulators, and valves of metal for use in gas supply systems; heat exchangers for the evaporation of liquefied gases
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37
Building construction; repair; installation services
installation, construction, repair and maintenance of gas, petrochemical, chemical, pharmaceutical and environmentally related plants and apparatus, cooling and refrigerating appliances, and cryogenic apparatus; construction of, construction management of, and supervision of construction of industrial apparatus and plants, namely, gas, petrochemical, chemical, pharmaceutical and environmentally related plants and apparatus; technical consultation in the field of welding
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
engineering services, namely, design, engineering and planning of industrial plants, gas plants, water purification and sewage disposal plants, gas supply systems, technical consultation in the fields of the liquefaction and separation of gases, and the purification of gases