BORE SEALING RAM,申请号GB19860000883-传众专利搜索

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发明名称	BORE SEALING RAM
摘要
申请公布号	GB8600883(D0)	申请公布日期	1986.02.19
申请号	GB19860000883	申请日期	1986.01.15
申请人	DRUM ENG CO LTD	发明人
分类号	F16J15/56;(IPC1-7):F16J15/32	主分类号	F16J15/56
代理机构		代理人
主权项
地址

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