发明授权
US07815363B2 Movement for a timepiece with plural escapements 有权
具有多个擒纵机构的钟表机芯

Movement for a timepiece with plural escapements
摘要:
A timepiece movement having at least two regulating members with their escapement and elements for alternately stopping and releasing the operation of the regulating members, such that a single regulating member is thus driven at any one time by means of the energy source of the timepiece.
公开/授权文献
信息查询
0/0