Электронно-лучевая лампа для микроволн,申请号SU19400034406-传众专利搜索

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发明名称	Электронно-лучевая лампа для микроволн
摘要
申请公布号	SU59213(A1)	申请公布日期	1940.11.30
申请号	SU19400034406	申请日期	1940.07.23
申请人	KOVALENKO V.F.	发明人	KOVALENKO V.F.
分类号	H01J23/18;H01J25/24	主分类号	H01J23/18
代理机构		代理人
主权项
地址

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