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发明名称
Elektrostatisches Voltmeter, insbesondere fuer Hochfrequenz
摘要
申请公布号
DE875682(C)
申请公布日期
1953.05.04
申请号
DE1941H001613D
申请日期
1941.01.16
申请人
HARTMANN & BRAUN A. G.
发明人
PALM ALBERT
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