6
Stainless steel pipes and fittings therefor, namely, shaped sections, pipe couplings, connection pieces, pipe bends, T-pieces, cross pieces, reducers, supports, flanges, general purpose metal storage containers, all of the aforesaid goods of metal, in particular stainless steel; valves of metal, other than parts of machines
7
Hydraulic valve actuators, pneumatic valve actuators, automated hydro-thrust cleaning units for pipelines, machines for cleaning container surfaces using high pressure water
9
[ Reaction vessels for laboratory use for performing chemical and biochemical reactions; laboratory apparatus in the nature of stainless steel containers for use as chemical and physical reactors; safety sight glasses used for visual process observation in piping and vessels; electric valve actuators ]
11
[ Heat exchangers ]
20
Plastic pipes and fittings therefor, namely, shaped sections, pipe couplings, connection pieces, pipe bends, T-pieces, cross pieces, reducers, supports, flanges, plastic storage containers for commercial or industrial use, all of the aforesaid goods not of metal, in particular all the aforesaid goods of plastic; valves of plastic, other than parts of machines