Evacuation of vacuum and gas filled envelopes,申请号US19600027445-传众专利搜索

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发明名称	Evacuation of vacuum and gas filled envelopes
摘要
申请公布号	US3131983(A)	申请公布日期	1964.05.05
申请号	US19600027445	申请日期	1960.05.06
申请人	HARRIES JOHN H O	发明人	HARRIES JOHN H. O.
分类号	H01J9/38	主分类号	H01J9/38
代理机构		代理人
主权项
地址

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