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发明名称
FREQUENCY MIXING CIRCUIT
摘要
申请公布号
GB9222343(D0)
申请公布日期
1992.12.09
申请号
GB19920022343
申请日期
1992.10.23
申请人
NEC CORPORATION
发明人
分类号
H03D7/12;H03D7/14
主分类号
H03D7/12
代理机构
代理人
主权项
地址
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