CPC Subgroup
G04B 5/12 acting in one direction only
Full Title
Automatic winding up > by self-winding caused by the movement of the watch > by oscillating weights the movement of which is not limited > acting in one direction only
G04B 5/12 Automatic winding up > by self-winding caused by the movement of the watch > by oscillating weights the movement of which is not limited > acting in one direction only