COMPOSITE WELDING METHOD FOR THICK STEEL MATERIALS,申请号JP19780048517-传众专利搜索

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发明名称	COMPOSITE WELDING METHOD FOR THICK STEEL MATERIALS
摘要
申请公布号	JPS54139846(A)	申请公布日期	1979.10.30
申请号	JP19780048517	申请日期	1978.04.24
申请人	NIPPON STEEL CORP	发明人	YADA HIROSHI
分类号		主分类号
代理机构		代理人
主权项
地址

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