Process of welding,申请号US19290372769-传众专利搜索

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发明名称	Process of welding
摘要
申请公布号	US1884295(A)	申请公布日期	1932.10.25
申请号	US19290372769	申请日期	1929.06.21
申请人	GENERAL ELECTRIC COMPANY	发明人	SCHWENNKER CHARLES F.
分类号	B23K9/00	主分类号	B23K9/00
代理机构		代理人
主权项
地址

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