6
Containers, and transportation and packaging articles, of metal; containers made of metal for use in the storage of gases; containers of metal for gas; cylinders of metal for gas; metal bottles for gas; tanks of metal for the storage of gas; tanks of metal for the transportation of liquefied gases; metal pipes for liquid and gas transfer; gas cylinders cages of metal; metal pallets; parts and fitting for the abovementioned goods
7
Machines and machine tools, namely equipment for cleaning (washing), emptying, pressure testing, marking, painting and renovation (reshaping) of gas cylinders; shrinking-machines for sealing of gas valves; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); gas filling plants (machines) for gas cylinders, and parts and accessories (not included in other classes), wash machines for gas cylinders; machines and equipment for filling gas cylinders; machines and equipment for handling gas; pumps for the supply of gas; machines and equipment for the transport of gas cylinders; machines for checking and testing gas cylinders and valves; machines for equipment for opening and closing of cylinder valves; machines and equipment for preparing cylinders for gas filling; machines and equipment for the reconditioning of cylinders for gas; control mechanisms for machines for filling gas cylinders, gas liquefaction plants, gas bunkering plants and power plants; gas compressors; palletizers, including palletizers for gas cylinders; machines for gas cylinder destruction; machines for capping and sleeving gas cylinders; shot blasting machines; conveyors and conveyors belts, including conveyors and conveyors belts for handling gas cylinders; machines and equipment for liquefaction of gas; machines and equipment for gas bunkering; generators; electric power generators; generators of electricity; parts and fitting for the abovementioned goods
9
Scientific, optical, weighing, measuring, signalling, checking (supervision), life-saving apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; automatic vending machines data processing equipment and computers; fire-extinguishing apparatus; electric and electronic apparatus and instruments for filling gas cylinders with gas, including control equipment and measuring and control apparatus; apparatus and instruments for dosing and measuring of gas as well as apparatus and instruments for weighing and pressure testing of gas cylinders; leak detectors; computer hardware and software, including computer hardware and software for the use in connection with filling of gas cylinders, gas liquefaction plants, gas bunkering plants and power plants; fire and gas alarm systems; photovoltaic installations for generating electricity [photovoltaic power plants]; solar energy collectors for electricity generation; parts and fitting for the abovementioned goods
11
Regulating and safety accessories for gas pipes; pressure controllers [regulators] for gas pipes; regulating apparatus for gas pipes; installations for controlling the flow of gases; cooling installations for gas; heat generating apparatus; refrigerating and freezing equipment; parts and fitting for the abovementioned goods