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发明名称
Photographischer Objektivverschluss
摘要
申请公布号
DE589753(C)
申请公布日期
1933.12.13
申请号
DE1932G084079D
申请日期
1932.11.18
申请人
ALFRED GAUTHIER G.M.B.H.
发明人
分类号
G03B9/64
主分类号
G03B9/64
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代理人
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