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发明名称
Mécanisme d'obturation plus particulièrement destiné aux appareils photographiques
摘要
申请公布号
FR942903(A)
申请公布日期
1949.02.22
申请号
FRD942903
申请日期
1946.11.15
申请人
发明人
BOLSEY JACQUES
分类号
G03B9/42
主分类号
G03B9/42
代理机构
代理人
主权项
地址
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