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发明名称
Filmspulenschluessel fuer Rollfilmkameras
摘要
申请公布号
DE525888(C)
申请公布日期
1931.05.30
申请号
DED525888D
申请日期
1930.04.02
申请人
VOIGTLAENDER & SOHN AKT.-GES.
发明人
分类号
G03B17/30
主分类号
G03B17/30
代理机构
代理人
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地址
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