7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
aircraft engines and motors, marine engines and motors, hydraulic engines and motors, starters for aircraft and marine engines and motors, turbines, air or gas compressors, superchargers, turbochargers, fluid condensers, shaft couplings, bearings, blowers, pumps (parts of machines), fluid pumps, clutches for machines, electric generators, fans, filters (parts of machines, engines, or motors), gears, hydraulic jacks, valves (parts of machines), check valves, non-automatic control valves, pressure relief valves, fuel valves, hydraulic valves, centrifuges, auxiliary power units for aircraft, speed governors for machines, engines, and motors, fluid separators, heat exchangers as parts of machines, machine flywheels, linear and rotary actuators, and turbocompressors