6
Containers, and transportation and packaging articles, of metal; Tanks of metal; Pressure gas cylinders made of metal; Gas storage tanks of metal; Steel cylinders for compressed gas; Containers of metal for liquid gas; Metallic vessels for storage of liquid gas, Tanks of metal for the storage of liquefied gases
11
Burners, boilers and heaters; Cooking, heating, cooling and preservation equipment, for food and beverages; Hydrogen fuelled heating and cooking devices; Cooking apparatus and Installations for cooking; Non-electric cooking heaters for household purposes; Barbecues; Cooking grills; Grill heating plates; Barbecue apparatus; Barbecue smokers; Gas fired broilers; Roasting apparatus; Hearths; Gas fires; Kitchen ranges [ovens]; Heating apparatus; Heating apparatus; Radiant heaters; Gas operated apparatus for heating; Hot tub heaters; Filters for industrial and household use; Water filters; Water treatment filters; Water conditioning units; Water filtering apparatus for domestic use; Water filters for industrial purposes; Water supply installations; Water filtering apparatus for domestic use; Water purification installations; Water purifiers for industrial use; Apparatus for descaling water
20
Containers, and closures and holders therefor, non-metallic; Cylinders, not of metal for gas; Gas storage tanks, not of metal or masonry; Transportable containers (Non-metallic -) for gases
40
Gas production services; Gas production services; Gas production services; Services, in relation to the following goods: Gas production services; Production of gas