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发明名称
Drehzahlanzeiger zur Pruefung von Sprechmaschinenlaufwerken
摘要
申请公布号
DE559204(C)
申请公布日期
1932.09.17
申请号
DENDATL077698D
申请日期
申请人
PAUL LAUTRICH
发明人
分类号
G11B19/28
主分类号
G11B19/28
代理机构
代理人
主权项
地址
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