Drilling fluid circulation system having flow parameter regulating means,申请号US19660564582-传众专利搜索

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发明名称	Drilling fluid circulation system having flow parameter regulating means
摘要
申请公布号	US3365009(A)	申请公布日期	1968.01.23
申请号	US19660564582	申请日期	1966.07.12
申请人	GERALD E. BURNHAM;LUKE E. HALPAIN	发明人	BURNHAM GERALD E.;HALPAIN LUKE E.
分类号	E21B21/06;E21B21/08	主分类号	E21B21/06
代理机构		代理人
主权项
地址

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