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发明名称
Schaltungsanordnung zur UEberwachung der Betriebsbereitschaft ferngesteuerter Verstaerker
摘要
申请公布号
DE622343(C)
申请公布日期
1935.11.27
申请号
DED622343D
申请日期
1930.01.09
申请人
GOTTFRIED BAYER
发明人
分类号
H04M3/40
主分类号
H04M3/40
代理机构
代理人
主权项
地址
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