Electron microscope object chamber,申请号US19420449051-传众专利搜索

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发明名称	Electron microscope object chamber
摘要
申请公布号	US2347348(A)	申请公布日期	1944.04.25
申请号	US19420449051	申请日期	1942.06.30
申请人	RADIO CORPORATION	发明人	YOUNG CHARLES J.
分类号	H01J37/20	主分类号	H01J37/20
代理机构		代理人
主权项
地址

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