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经营范围
发明名称
ELECTRICAL RECTIFYING SYSTEM
摘要
申请公布号
CA504671(A)
申请公布日期
1954.07.27
申请号
CAD504671
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
CHARLES L. VAN WEIJNSBERGEN
分类号
主分类号
代理机构
代理人
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