METHOD AND APPARATUS FOR SIZING TAPERED STEEL TUBES,申请号GB19680034476-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR SIZING TAPERED STEEL TUBES
摘要
申请公布号	GB1220627(A)	申请公布日期	1971.01.27
申请号	GB19680034476	申请日期	1968.07.19
申请人	NIPPON KOKAN KABUSHIKI KAISHA	发明人
分类号	B21B17/14;B21C37/18;B21C37/30;B21D3/02	主分类号	B21B17/14
代理机构		代理人
主权项
地址

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