MANUFACTURE OF THICK STEEL PIPE HAVING LARGE DIAMETER,申请号JP19840121842-传众专利搜索

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发明名称	MANUFACTURE OF THICK STEEL PIPE HAVING LARGE DIAMETER
摘要
申请公布号	JPS611413(A)	申请公布日期	1986.01.07
申请号	JP19840121842	申请日期	1984.06.15
申请人	NIPPON KOKAN KK	发明人	KATSUMATA TAKESHIGE;UMEDA KENICHIROU;SAITOU TAKASHI
分类号	B21C1/26	主分类号	B21C1/26
代理机构		代理人
主权项
地址

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