Improved punch assembly,申请号GB19790031082-传众专利搜索

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发明名称	Improved punch assembly
摘要
申请公布号	GB2030499(A)	申请公布日期	1980.04.10
申请号	GB19790031082	申请日期	1979.09.07
申请人	MERCER NAIRNE & CO LTD	发明人
分类号	B21D28/34;(IPC1-7):B21D37/04	主分类号	B21D28/34
代理机构		代理人
主权项
地址

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