PRODUCTION OF STEEL TUBE OR SQUARE STEEL TUBE HAVING LOW YIELD RATIO,申请号JP19900107963-传众专利搜索

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发明名称	PRODUCTION OF STEEL TUBE OR SQUARE STEEL TUBE HAVING LOW YIELD RATIO
摘要
申请公布号	JPH0387317(A)	申请公布日期	1991.04.12
申请号	JP19900107963	申请日期	1990.04.24
申请人	NIPPON STEEL CORP	发明人	YAMAMOTO YASUSHI;ADAKA MATSUO;TOMITA YUKIO
分类号	C21D9/08	主分类号	C21D9/08
代理机构		代理人
主权项
地址

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