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发明名称
Kasten zum Aufbewahren von Diapositiven
摘要
申请公布号
DE860315(C)
申请公布日期
1952.12.18
申请号
DE1941Z001413D
申请日期
1941.05.31
申请人
ZEISS IKON A. G.
发明人
LIEBMANN HELMUT
分类号
G03B21/54
主分类号
G03B21/54
代理机构
代理人
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