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发明名称
Verfahren zur cos ªŽ-Messung mittels zweier in Gegentakt geschalteter Verstaerkerroehren
摘要
申请公布号
DE640273(C)
申请公布日期
1937.01.15
申请号
DE1934M126358D
申请日期
1934.02.03
申请人
"MAGNAPHON" RADIO-G.M.B.H.
发明人
PRIEM DIPL.-ING. RUDOLF
分类号
G01R25/00
主分类号
G01R25/00
代理机构
代理人
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