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发明名称
Pièce d'horlogerie
摘要
申请公布号
CH321953(A)
申请公布日期
1957.05.31
申请号
CHD321953
申请日期
1955.02.15
申请人
ERNEST BOREL & CIE S.A.
发明人
BERTHOUD,ROBERT
分类号
G04B45/00
主分类号
G04B45/00
代理机构
代理人
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