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发明名称
Procédé de fabrication de roues d'ancre pour échappements à ancre.
摘要
申请公布号
CH276772(A)
申请公布日期
1951.07.31
申请号
CHD276772
申请日期
1948.12.31
申请人
BULOVA WATCH CO. INC. NEW YORK, SUCCURSALE DE BIENNE
发明人
BULOVA WATCH CO. INC. NEW YORK, SUCCURSALE DE BIENNE
分类号
B21D28/06;B21D53/16;B21D53/28;B21D53/30;G04B15/14;G04D1/00;G04D3/00
主分类号
B21D28/06
代理机构
代理人
主权项
地址
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