Nozzle retention device for rock bits,申请号SG19950002019-传众专利搜索

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发明名称	Nozzle retention device for rock bits
摘要
申请公布号	SG34320(A1)	申请公布日期	1996.12.06
申请号	SG19950002019	申请日期	1995.12.04
申请人	SMITH INTERNATIONAL, INC.	发明人	LARSEN, JAMES L.;SIRACKI, MICHAEL A.
分类号	B05B15/06;E21B10/60;E21B10/61;(IPC1-7):E21B	主分类号	B05B15/06
代理机构		代理人
主权项
地址

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