Improvements in and relating to methods of making dies,申请号GB19380036697-传众专利搜索

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发明名称	Improvements in and relating to methods of making dies
摘要
申请公布号	GB522795(A)	申请公布日期	1940.06.27
申请号	GB19380036697	申请日期	1938.12.16
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	B21C3/18	主分类号	B21C3/18
代理机构		代理人
主权项
地址

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