Perfectionnements aux tubes à rayons chi,申请号FRD1016199-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	FR1016199(A)	申请公布日期	1952.11.04
申请号	FRD1016199	申请日期	1950.04.12
申请人		发明人	EHRENBERG WERNER;SPEAR WALTER ERIC
分类号	H01J35/14	主分类号	H01J35/14
代理机构		代理人
主权项
地址

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