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发明名称
Non-radiating frequency converter for a radio receiver
摘要
申请公布号
US2823305(A)
申请公布日期
1958.02.11
申请号
US19560566440
申请日期
1956.02.20
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
ASCHERMANN WILFRIED
分类号
H03D7/08;H04B15/06
主分类号
H03D7/08
代理机构
代理人
主权项
地址
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