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发明名称
Objektivdeckel
摘要
申请公布号
DE580249(C)
申请公布日期
1933.07.11
申请号
DENDATF070312D
申请日期
申请人
PAUL FRANKE;REINHOLD HEIDECKE
发明人
分类号
G03B17/12
主分类号
G03B17/12
代理机构
代理人
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