CPC Subgroup
G01P 13/04 Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
Full Title
Indicating or recording presence, absence, or direction, of movement (electric switches H01H; counting moving objects G06M7/00) > Indicating direction only, e.g. by weather vane > Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
1 direct subcode
Child Classifications
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