GAS SHIELDED DIRECT CURRENT ARC WELDING,申请号CAD492589-传众专利搜索

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发明名称	GAS SHIELDED DIRECT CURRENT ARC WELDING
摘要
申请公布号	CA492589(A)	申请公布日期	1953.05.05
申请号	CAD492589	申请日期
申请人	DOMINION OXYGEN COMPANY	发明人	ROSCOE R. LOBOSCO
分类号		主分类号
代理机构		代理人
主权项
地址

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