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.
clack valves, valves, pneumatic valves, pneumatic piston valves, pneumatic actuators, all being parts of machines, pneumatic controls for machines, motors, engines
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
thermometers, not for medical purposes, manometers, flow meters, leveling instruments, namely, surveyors' levels, leveling switches for measuring and controlling liquids in containers, level indicators, leveling information transmitter, carpenters' levels, gauges, leveling staffs for surveying, hygrometers, solenoid valves
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
plumbing fittings, namely, level controlling valves for tanks