DRILL PIPE HANDING EQUIPMENT,申请号KR19850003418-传众专利搜索

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发明名称	DRILL PIPE HANDING EQUIPMENT
摘要
申请公布号	KR900009222(B1)	申请公布日期	1990.12.24
申请号	KR19850003418	申请日期	1985.05.18
申请人	HAUGHOM KELL	发明人	HAUGHOM KELL
分类号	E21B19/14;(IPC1-7):E21B19/14	主分类号	E21B19/14
代理机构		代理人
主权项
地址

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