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发明名称
DRY RECTIFIER
摘要
申请公布号
CA381943(A)
申请公布日期
1939.06.06
申请号
CAD381943
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
HENDRIK EMMENS;WILLEM CHRISTIAAN VAN GEEL
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主分类号
代理机构
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