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发明名称
Perfectionnements apportés aux obturateurs à volets, du genre des obturateurs pourappareils photographiques
摘要
申请公布号
FR1012610(A)
申请公布日期
1952.07.15
申请号
FRD1012610
申请日期
1949.12.20
申请人
KINAX
发明人
分类号
G03B9/22
主分类号
G03B9/22
代理机构
代理人
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地址
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