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经营范围
发明名称
Mécanisme pour calendrier perpétuel automatique
摘要
申请公布号
FR912267(A)
申请公布日期
1946.08.05
申请号
FRD912267
申请日期
1945.02.19
申请人
发明人
BALZEAU CHARLES-ALBERT
分类号
G04C17/00
主分类号
G04C17/00
代理机构
代理人
主权项
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