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发明名称
Haltevorrichtung fuer Diapositive
摘要
申请公布号
DE1294701(B)
申请公布日期
1969.05.08
申请号
DE196600E1820
申请日期
1966.06.08
申请人
EHN, JAN
发明人
分类号
G03B21/64;G03B23/12;(IPC1-7):G03B23/08
主分类号
G03B21/64
代理机构
代理人
主权项
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