Space discharge device,申请号US19410375879-传众专利搜索

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发明名称	Space discharge device
摘要
申请公布号	US2404803(A)	申请公布日期	1946.07.30
申请号	US19410375879	申请日期	1941.01.25
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	STAFFORD ALFRED E.
分类号	H01J40/16	主分类号	H01J40/16
代理机构		代理人
主权项
地址

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