Improvements in or relating to the production of extruded metal tubes,申请号GB19480021081-传众专利搜索

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发明名称	Improvements in or relating to the production of extruded metal tubes
摘要
申请公布号	GB660802(A)	申请公布日期	1951.11.14
申请号	GB19480021081	申请日期	1948.08.10
申请人	OLIN INDUSTRIES, INC.	发明人
分类号	B21C23/01	主分类号	B21C23/01
代理机构		代理人
主权项
地址

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