Nouveau tube mélangeur de fréquences, ses montages et applications,申请号FRD875223-传众专利搜索

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发明名称	Nouveau tube mélangeur de fréquences, ses montages et applications
摘要
申请公布号	FR875223(A)	申请公布日期	1942.09.11
申请号	FRD875223	申请日期	1941.05.09
申请人	SOCIETE FRANCAISE RADIO-ELECTRIQUE	发明人
分类号	H03C3/34	主分类号	H03C3/34
代理机构		代理人
主权项
地址

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