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发明名称
Einrichtung zum genauen Messen oder Vergleichen von Impedanzen.
摘要
申请公布号
CH172413(A)
申请公布日期
1934.10.15
申请号
CHD172413
申请日期
1933.07.17
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
主分类号
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