Perfectionnements aux tubes cathodiques de télévision et plus particulièrement aux tubes de projection,申请号FRD833225-传众专利搜索

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发明名称	Perfectionnements aux tubes cathodiques de télévision et plus particulièrement aux tubes de projection
摘要
申请公布号	FR833225(A)	申请公布日期	1938.10.17
申请号	FRD833225	申请日期	1937.06.09
申请人		发明人	TOULON PIERRE, MARIE, GABRIEL
分类号	H01J31/12	主分类号	H01J31/12
代理机构		代理人
主权项
地址

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