Perfectionnements aux tubes à décharge,申请号FRD878070-传众专利搜索

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发明名称	Perfectionnements aux tubes à décharge
摘要
申请公布号	FR878070(A)	申请公布日期	1943.01.11
申请号	FRD878070	申请日期	1941.08.12
申请人	SOCIETE FRANCAISE RADIO-ELECTRIQUE	发明人
分类号	H01J5/50	主分类号	H01J5/50
代理机构		代理人
主权项
地址

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