6
Containers of metal for storing gases, liquid gases and cryogenic liquid gases, in particular tanks, insulated tanks or pressure-resistant containers; Release, regulating and non-return valves of metal which are suitable for gas or liquid gas, and multiway valves, in particular suitable for petroleum gas
7
Machines, namely mechanical industrial apparatus and components and apparatus combinations for compressing, liquefying, separating and evaporating media (gases, liquids), namely compressors for compressing gases, valves/expansion valves being parts of machines, condensing apparatus, separators (machines), expansion turbines, including all of the aforesaid mechanical components and apparatus in combination; Petroleum gas liquefying apparatus and installations, and components therefor; Pumps [machines], In particular reciprocal pumps, triplex pumps; Expansion machines; Shut-off valves and distributors for process gas flows
11
Apparatus for cooling and separating gases and liquids; Apparatus for purifying or separating gases and for separating impurities from gases, the aforesaid apparatus being cold-based, membrane-based, adsorption-based or scrubbing-based, or a combination; Heat exchangers, other than parts of machines, gas coolers, Liquifiers, Cold rooms for cooling gases; Adsorptive gas purifiers and membrane gas purifiers; Gas dryers, Gas filters, Absorption purifiers for gases
37
Construction of industrial installations or installation of industrial apparatus for gas treatment and processing, and repair and maintenance of the aforesaid apparatus and installations, in particular of installations and apparatus for liquefying, separating, storing and evaporating natural gases, specifically petroleum gas; Management of construction and installation for the petroleum gas industry