Manufacture of alternating electric current rectifiers,申请号US19380188813-传众专利搜索

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发明名称	Manufacture of alternating electric current rectifiers
摘要
申请公布号	US2180026(A)	申请公布日期	1939.11.14
申请号	US19380188813	申请日期	1938.02.04
申请人	THE UNION SWITCH & SIGNAL COMPANY	发明人	WILLIAMS ALBERT LESLIE;CUBITT ROGER HARRY
分类号	H01L21/16	主分类号	H01L21/16
代理机构		代理人
主权项
地址

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