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发明名称
Schaltanordnung zur Erzeugung eines Eichimpulses bei Gegentakt-oder Differenzverstaerkern, insbesondere fuer Elektrokardiographen und Encephalographen
摘要
申请公布号
DE887524(C)
申请公布日期
1953.08.24
申请号
DE1951S025244
申请日期
1951.10.19
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
BOESEL KURT DIPL.-ING.
分类号
H03F3/32;H03F3/36
主分类号
H03F3/32
代理机构
代理人
主权项
地址
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