IMPROVED HYDRAULIC WELL PENETRATION APPARATUS & METHOD,申请号GB19880009743-传众专利搜索

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发明名称	IMPROVED HYDRAULIC WELL PENETRATION APPARATUS & METHOD
摘要
申请公布号	GB8809743(D0)	申请公布日期	1988.06.02
申请号	GB19880009743	申请日期	1988.04.25
申请人	SCHELLSTEDE, H J;MCQUEEN, R W;PETERS, A D	发明人
分类号	E21B43/00;E21B7/06;E21B43/112	主分类号	E21B43/00
代理机构		代理人
主权项
地址

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