FORMING METHOD FOR LARGE SQUARE STEEL PIPE INCLUDING LOCAL HEATING,申请号JP19900011795-传众专利搜索

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发明名称	FORMING METHOD FOR LARGE SQUARE STEEL PIPE INCLUDING LOCAL HEATING
摘要
申请公布号	JPH03216213(A)	申请公布日期	1991.09.24
申请号	JP19900011795	申请日期	1990.01.23
申请人	NAKAJIMA KOKAN KK	发明人	NAKAJIMA SHIN
分类号	B21C37/15	主分类号	B21C37/15
代理机构		代理人
主权项
地址

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