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发明名称
Einrichtung zum Erschweren unbeabsichtigten Loeschens bei Magnettondiktiergeraeten
摘要
申请公布号
DE1018636(B)
申请公布日期
1957.10.31
申请号
DE1954B030991
申请日期
1954.05.12
申请人
EUGEN BEYER
发明人
BEYER EUGEN;DOEGE ERNST
分类号
G11B5/03;G11B15/10
主分类号
G11B5/03
代理机构
代理人
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地址
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