Improvements in methods of and means for deriving direct from alternating currents,申请号GB19340031907-传众专利搜索

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发明名称	Improvements in methods of and means for deriving direct from alternating currents
摘要
申请公布号	GB440912(A)	申请公布日期	1936.01.08
申请号	GB19340031907	申请日期	1934.11.06
申请人	ALEXANDER JOHN BROWN;BAIRD TELEVISION LIMITED	发明人
分类号	H02M3/33;H02M7/04	主分类号	H02M3/33
代理机构		代理人
主权项
地址

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