MANUFACTURE OF THICK STEEL STOCK HAVING EXCELLENT TOUGHNESS IN CENTRAL PART,申请号JP19870205843-传众专利搜索

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发明名称	MANUFACTURE OF THICK STEEL STOCK HAVING EXCELLENT TOUGHNESS IN CENTRAL PART
摘要
申请公布号	JPS6448608(A)	申请公布日期	1989.02.23
申请号	JP19870205843	申请日期	1987.08.19
申请人	SUMITOMO METAL IND LTD	发明人	ONISHI KAZUSHI;KAMINAKA HIDEYA
分类号	B21B1/38	主分类号	B21B1/38
代理机构		代理人
主权项
地址

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