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发明名称
Perfectionnements apportés à des appareils d'horlogerie à avertisseur
摘要
申请公布号
FR1001685(A)
申请公布日期
1952.02.26
申请号
FRD1001685
申请日期
1946.06.19
申请人
发明人
GOLDBERG LAURENT-PAUL-SALOMON
分类号
G04B23/06
主分类号
G04B23/06
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代理人
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