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Acetylene gas generators
Installation services for water turbines and engines
Sand traps for water turbines and engines
Penstocks for water turbines
Water turbine governors or regulators
Water turbine blades/vanes
Plant and equipment for waterfall exploitation
Waterfall lock gates
Hydroelectric plant, barge mounted
Hydroelectric plant, miniature
Waterwheels
Water turbines, impulse (Pelton wheel etc.)
Water turbines, reaction (Francis, Kaplan etc.)
Water turbines, spiral
Water turbines, propeller
Water turbines, tubular
Micro water turbines, under 100 kW
Tidal turbines
Motors, hydraulic (water engines)
Hydrogen generators
Hydrogen production plant, non-electrolytic
Nitrogen generators
Nitrogen production plant
Ozone generators/ozonisers
Oxygen production plant
Carbon dioxide production plant
Sulphur dioxide production plant
Acetylene production plant
Noble gas production plant
Argon production plant
Nitrogen liquefaction plant
Hydrogen liquefaction plant
Helium liquefaction plant
Chlorine liquefaction plant
Oxygen liquefaction plant
Air liquefaction plant
Air fractionating columns
Gas separation plant, membrane system
Air-gas mixing and proportioning machines, automatic
Technical gas bottling plant and equipment
Gas separators by liquefaction
