Improvements in or relating to frequency mixers,申请号GB19550013958-传众专利搜索

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发明名称	Improvements in or relating to frequency mixers
摘要
申请公布号	GB776098(A)	申请公布日期	1957.06.05
申请号	GB19550013958	申请日期	1955.05.13
申请人	TELEFONAKTIEBOLAGET L M ERICSSON	发明人
分类号	H03D9/06	主分类号	H03D9/06
代理机构		代理人
主权项
地址

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