Improvements in or relating to method of and apparatus for forming a punched article,申请号GB19500010149-传众专利搜索

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发明名称	Improvements in or relating to method of and apparatus for forming a punched article
摘要
申请公布号	GB678407(A)	申请公布日期	1952.09.03
申请号	GB19500010149	申请日期	1950.04.25
申请人	THE NATIONAL MACHINERY COMPANY	发明人
分类号	B21K1/46	主分类号	B21K1/46
代理机构		代理人
主权项
地址

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