Positive latch core barrel apparatus,申请号AU19990063029-传众专利搜索

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发明名称	Positive latch core barrel apparatus
摘要
申请公布号	AU752779(B2)	申请公布日期	2002.10.03
申请号	AU19990063029	申请日期	1999.12.02
申请人	BOART LONGYEAR INTERNATIONAL HOLDINGS, INC	发明人	ROBERT E. ABLE
分类号	E21B25/02;(IPC1-7):E21B25/02	主分类号	E21B25/02
代理机构		代理人
主权项
地址

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