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发明名称
Improvements in and relating to mixing circuits such as are used in superheterodyne receivers
摘要
申请公布号
GB604854(A)
申请公布日期
1948.07.12
申请号
GB19450033021
申请日期
1945.12.06
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
H03D7/08
主分类号
H03D7/08
代理机构
代理人
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