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发明名称
ELECTRICAL SIGNAL MIXER CIRCUITS
摘要
申请公布号
GB8701495(D0)
申请公布日期
1987.02.25
申请号
GB19870001495
申请日期
1987.01.23
申请人
GENERAL ELECTRIC CO PLC
发明人
分类号
H03D7/00;H03G1/00
主分类号
H03D7/00
代理机构
代理人
主权项
地址
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