7
Machines, namely mechanical industrial apparatus/installations (and components thereof) for liquefying, separating and evaporating media (gases, liquids), namely compressors for compressing gases, condenser systems, valves/expansion valves, being parts of machines, separators (machines), expansion turbines, all the aforesaid apparatus and installations being also combined and for use with hydrocarbon gases and natural gas; natural gas liquefying apparatus and machines and components therefor (included in class 7); the aforesaid apparatus and machines being also combined into installations
11
Industrial apparatus/installations (and components thereof) for liquefying, separating and evaporating media (gases, liquids), in particular for gases; gas condensers; gas cleaning/separating equipment - all the aforesaid apparatus and installations being also combined and for processing and liquefying hydrocarbon gases and natural gas
37
Erection of installations and installation of apparatus and repair and maintenance of the aforesaid apparatus and installations for liquefying, separating and evaporating media, namely of apparatus/installations for liquefying and separating hydrocarbon gases, in particular of natural gas liquefying installations; construction work and installation work management