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发明名称
VARIABLE PHASE-SHIFTING BRIDGE CIRCUIT
摘要
申请公布号
CA532781(A)
申请公布日期
1956.11.06
申请号
CAD532781
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
ALFRED VAN DE WIEL
分类号
主分类号
代理机构
代理人
主权项
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