IMPROVEMENTS IN OR RELATING TO FREQUENCY-CHANGER CIRCUITS,申请号GB19680049188-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO FREQUENCY-CHANGER CIRCUITS
摘要
申请公布号	GB1244648(A)	申请公布日期	1971.09.02
申请号	GB19680049188	申请日期	1968.10.17
申请人	SIEMENS AKTIENGESELLSCHAFT	发明人
分类号	H03D7/00;H03D7/16;H03H19/00;H04B1/26	主分类号	H03D7/00
代理机构		代理人
主权项
地址

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