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发明名称	Tube de décharge
摘要
申请公布号	FR731114(A)	申请公布日期	1932.08.27
申请号	FRD731114	申请日期	1932.02.06
申请人	RADIOAKTIENGESELLSCHAFT D. S. LOEWE	发明人	KAPTEYN PAUL
分类号	H01J21/20;H03F1/16	主分类号	H01J21/20
代理机构		代理人
主权项
地址

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