Improvements in and relating to the punching of sheet or strip materials,申请号GB19580014623-传众专利搜索

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发明名称	Improvements in and relating to the punching of sheet or strip materials
摘要
申请公布号	GB923811(A)	申请公布日期	1963.04.18
申请号	GB19580014623	申请日期	1958.05.07
申请人	PRODUCTION ENGINEERING RESEARCH ASSOCIATION OF GREAT BRITAIN	发明人	HOWARD FRANK;WARNE HAROLD SYDNEY
分类号	B21D28/16	主分类号	B21D28/16
代理机构		代理人
主权项
地址

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