Method and apparatus for supplying alternating current to electric arcs,申请号US19380236143-传众专利搜索

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发明名称	Method and apparatus for supplying alternating current to electric arcs
摘要
申请公布号	US2183734(A)	申请公布日期	1939.12.19
申请号	US19380236143	申请日期	1938.10.21
申请人	ASHCRAFT CLARENCE S	发明人	ASHCRAFT CLARENCE S.
分类号	H05B31/00	主分类号	H05B31/00
代理机构		代理人
主权项
地址

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