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发明名称
Perfectionnements aux pendules et horloges
摘要
申请公布号
FR809673(A)
申请公布日期
1937.03.08
申请号
FRD809673
申请日期
1936.08.19
申请人
发明人
DEMARCHEZ GEORGES EUGENE
分类号
G04C3/027
主分类号
G04C3/027
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代理人
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