Repères de température utilisables dans la construction des tubes à vide,申请号FRD922163-传众专利搜索

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发明名称	Repères de température utilisables dans la construction des tubes à vide
摘要
申请公布号	FR922163(A)	申请公布日期	1947.06.02
申请号	FRD922163	申请日期	1945.12.18
申请人	SOCIETE FRANCAISE RADIO-ELECTRIQUE	发明人
分类号	H01J9/38	主分类号	H01J9/38
代理机构		代理人
主权项
地址

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