CORE BARREL WITH ADJUSTABLE JOINT,申请号GB19890010500-传众专利搜索

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发明名称	CORE BARREL WITH ADJUSTABLE JOINT
摘要
申请公布号	GB8910500(D0)	申请公布日期	1989.06.21
申请号	GB19890010500	申请日期	1989.05.08
申请人	ORECO HOLDINGS LIMITED	发明人
分类号	E21B25/00	主分类号	E21B25/00
代理机构		代理人
主权项
地址

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