METHOD FOR MANUFACTURE OF PISTON RINGS,申请号GB19880021996-传众专利搜索

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发明名称	METHOD FOR MANUFACTURE OF PISTON RINGS
摘要
申请公布号	GB8821996(D0)	申请公布日期	1988.10.19
申请号	GB19880021996	申请日期	1988.09.19
申请人	T & N TECHNOLOGY LTD	发明人
分类号	B21D53/16;(IPC1-7):B21D53/16	主分类号	B21D53/16
代理机构		代理人
主权项
地址

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