Tube électronique,申请号FRD1060057-传众专利搜索

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发明名称	Tube électronique
摘要
申请公布号	FR1060057(A)	申请公布日期	1954.03.30
申请号	FRD1060057	申请日期	1952.05.08
申请人	TELEFONAKTIEBOLAGET L M ERICSSON	发明人
分类号	G11C11/23;G11C11/26;H01J31/02;H01J31/58;H03K29/00	主分类号	G11C11/23
代理机构		代理人
主权项
地址

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