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发明名称
Dispositif additionnel pour des objectifs de caméras photographiques
摘要
申请公布号
FR888499(A)
申请公布日期
1943.12.14
申请号
FRD888499
申请日期
1942.11.23
申请人
发明人
STEINECK RUDOLF
分类号
G03B17/12
主分类号
G03B17/12
代理机构
代理人
主权项
地址
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