Perfectionnements aux tubes à rayons chi,申请号FRD940157-传众专利搜索

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发明名称	Perfectionnements aux tubes à rayons chi
摘要
申请公布号	FR940157(A)	申请公布日期	1948.12.06
申请号	FRD940157	申请日期	1947.01.28
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H01J35/10	主分类号	H01J35/10
代理机构		代理人
主权项
地址

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