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发明名称
Messverstaerker fuer kleine Gleichspannungen unter Verwendung eines Zerhackerrelais
摘要
申请公布号
DE844939(C)
申请公布日期
1952.07.28
申请号
DE1949P037993
申请日期
1949.03.29
申请人
DR.-ING. FRITZ HAHN G.M.B.H.
发明人
GUNDLACH FRIEDRICH WILHELM DR.-ING.
分类号
G01R19/18
主分类号
G01R19/18
代理机构
代理人
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