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发明名称
MIXING CIRCUITS
摘要
申请公布号
IE17986(L)
申请公布日期
1946.03.02
申请号
IE19470000221
申请日期
1947.04.15
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
分类号
H03K5/13;H03K17/54;(IPC1-7):H03K5/13
主分类号
H03K5/13
代理机构
代理人
主权项
地址
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