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发明名称
Filmspulenlager
摘要
申请公布号
DE529679(C)
申请公布日期
1931.07.17
申请号
DE1928F067344D
申请日期
1928.12.06
申请人
PAUL FRANKE;REINHOLD HEIDECKE
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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