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发明名称
Photographische Rollfilmkamera fuer unperforierten Film
摘要
申请公布号
DE489899(C)
申请公布日期
1930.01.22
申请号
DE1928S085376D
申请日期
1928.04.28
申请人
DR. BRUNO SPIEWECK
发明人
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
主权项
地址
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