Improvements relating to the drawing of steel,申请号GB19520032487-传众专利搜索

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发明名称	Improvements relating to the drawing of steel
摘要
申请公布号	GB723858(A)	申请公布日期	1955.02.09
申请号	GB19520032487	申请日期	1952.12.22
申请人	THE PYRENE COMPANY LIMITED	发明人
分类号	B21C9/00;C23C22/73	主分类号	B21C9/00
代理机构		代理人
主权项
地址

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