Rock bit greases,申请号GB19960026348-传众专利搜索

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发明名称	Rock bit greases
摘要
申请公布号	GB2308382(A)	申请公布日期	1997.06.25
申请号	GB19960026348	申请日期	1996.12.19
申请人	* SMITH INTERNATIONAL INC	发明人	ZHIGANG * FANG
分类号	C10M169/00;(IPC1-7):C10M169/06;E21B10/24	主分类号	C10M169/00
代理机构		代理人
主权项
地址

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