This class includes: - manufacture of hydraulic and pneumatic power engines and motors, cylinders and valves - manufacture of hydraulic fluid power systems - manufacture of hydraulic transmission equipment - manufacture of hydrostatic transmission equipment
This class excludes: - manufacture of hydraulic or pneumatic tubes, pipes and hoses of rubber, see 22.12 - manufacture of hydraulic or pneumatic tubes, pipes and hoses of plastic, see 22.21 - manufacture of compressors, see 28.13 - manufacture of pumps other than hydraulic fluid power pumps, see 28.13 - manufacture of valves for non-fluid power applications, see 28.14 - manufacture of mechanical power transmission equipment, see 28.15