Hairspring for a regulating member of a mechanical watch, regulating member provided with such a hairspring, and method for manufacturing such a hairspring
摘要
申请公布号
EP2869138(A3)
申请公布日期
2016.03.09
申请号
EP20140181326
申请日期
2014.08.18
申请人
MANUFACTURE ET FABRIQUE DE MONTRES ET CHRONOMÈTRES ULYSSE NARDIN LE LOCLE S.A.
