Tube électronique à émission secondaire,申请号FRD806105-传众专利搜索

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发明名称	Tube électronique à émission secondaire
摘要
申请公布号	FR806105(A)	申请公布日期	1936.12.08
申请号	FRD806105	申请日期	1936.05.07
申请人	FARNSWORTH TELEVISION INCORPORATED	发明人
分类号	H01J25/76	主分类号	H01J25/76
代理机构		代理人
主权项
地址

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