Improvements in and relating to automatic punching machines,申请号GB19390007697-传众专利搜索

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发明名称	Improvements in and relating to automatic punching machines
摘要
申请公布号	GB526186(A)	申请公布日期	1940.09.12
申请号	GB19390007697	申请日期	1939.03.09
申请人	THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED	发明人
分类号	B21D28/02	主分类号	B21D28/02
代理机构		代理人
主权项
地址

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