Improvements in mercury vapour rectifiers,申请号GB19300019913-传众专利搜索

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发明名称	Improvements in mercury vapour rectifiers
摘要
申请公布号	GB346231(A)	申请公布日期	1931.04.09
申请号	GB19300019913	申请日期	1930.07.01
申请人	AKTIENGESELLSCHAFT BROWN, BOVERI & CIE	发明人
分类号	H01J13/20	主分类号	H01J13/20
代理机构		代理人
主权项
地址

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