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发明名称
Cercle d'agrandissement pour mouvement d'horlogerie.
摘要
申请公布号
CH280886(A)
申请公布日期
1952.02.15
申请号
CHD280886
申请日期
1949.10.14
申请人
FABRIQUES D'HORLOGERIE THOMMEN S. A.
发明人
A. FABRIQUES D'HORLOGERIE THOMMEN S.
分类号
G04B37/05
主分类号
G04B37/05
代理机构
代理人
主权项
地址
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