12
Gas cylinders and gas pressure vessels for vehicles; gas tanks for vehicles; fuel tanks for vehicles; delivery drones; parts and fittings for aircrafts, drones, land and water vehicles; fuel cylinders; liners for fuel cylinders; parts and fittings for all of the aforesaid goods
20
Gas cylinders and gas pressure vessels made in substantial part of non-metal materials; storage tanks of plastic; composite cylinders for compressed gases made in substantial part of non-metal materials; liners for composite fuel cylinders; thermoplastic and thermoset cylinders for compressed gases; storage tanks, not of metal or masonry; gas storage tanks, not of metal or masonry; parts and fittings for all of the aforesaid goods
39
Storage and transportation of gases; storage and transportation of products; storage and transportation of compressed gases; rental of vessels; information, advisory and consultancy services relating to all the aforesaid
42
Scientific research, analysis and development; research services; technological research; industrial design; industrial analysis; technological services relating to gas cylinders and gas pressure vessels; research, development and testing services related to the storage of gases; consultation, research, development and testing services related to the safety testing of pressure vessels; scientific and technological services and research and design relating thereto; fuels, gases and chemicals testing services; technical assistance relating to pressure vessels; industrial analysis and industrial research services; design services; design of gases tanks; research, development and testing services related to fuels, gas and energy systems; technical operation of fuel and gas refuelling stations; designing and commissioning alternate energy systems; project development and project operation services related to gas cylinders and gas pressure vessels; project development and project operation services related to fuels, gas and energy systems; information, advisory and consultancy services relating to all the aforesaid