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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.
[ variable resistors-namely, ] precision potentiometers, trimming potentiometers and [ sector potentiometers; rotary switches; ] turns counting dials [; and combinations of the foregoing ]
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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.
[ variable resistors-namely, ] precision potentiometers, trimming potentiometers and [ sector potentiometers; rotary switches; ] turns counting dials [; and combinations of the foregoing ]
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
[ variable resistors-namely, ] precision potentiometers, trimming potentiometers and [ sector potentiometers; rotary switches; ] turns counting dials [; and combinations of the foregoing ]
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12
Vehicles; apparatus for locomotion by land, air or water.
[ variable resistors-namely, ] precision potentiometers, trimming potentiometers and [ sector potentiometers; rotary switches; ] turns counting dials [; and combinations of the foregoing ]
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15
Musical instruments
[ variable resistors-namely, ] precision potentiometers, trimming potentiometers and [ sector potentiometers; rotary switches; ] turns counting dials [; and combinations of the foregoing ]