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发明名称
Filmaufwickelkern
摘要
申请公布号
DE885349(C)
申请公布日期
1953.08.03
申请号
DE1942Z002256D
申请日期
1942.08.12
申请人
ZEISS IKON A. G.
发明人
分类号
G03B17/30
主分类号
G03B17/30
代理机构
代理人
主权项
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