pin-pallet escapent铆钉式擒纵机构
pin-pallet escapement铆钉式擒纵机构;销钉式擒纵机构
pin-pallet lever escapement销钉式擒纵机构
pin pallet fork销钉式擒纵叉
pin pallet escapement balance销钉式擒纵摆轮
pin pallet escape wheel销钉式擒纵轮
pin pallet staff for roller双圆盘销钉式叉轴
endstone for pin pallet fork销钉式擒纵叉托钻
pallet pin叉销