Arc welding system,申请号US19460713237-传众专利搜索

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发明名称	Arc welding system
摘要
申请公布号	US2473928(A)	申请公布日期	1949.06.21
申请号	US19460713237	申请日期	1946.11.30
申请人	WESTINGHOUSE ELECTRIC CORPORATION	发明人	WHITE ALFRED B.
分类号	B23K9/073	主分类号	B23K9/073
代理机构		代理人
主权项
地址

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