CPC Subgroup
F03G 1/08 for winding
Full Title
Spring motors (spring-driven toys A63H; springs in general F16F; precision time mechanisms, e.g. for clocks or watches, G04B) > Other parts or details > for winding
F03G 1/08 Spring motors (spring-driven toys A63H; springs in general F16F; precision time mechanisms, e.g. for clocks or watches, G04B) > Other parts or details > for winding