Means for determining the inclination of well pipes,申请号US19600059134-传众专利搜索

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发明名称	Means for determining the inclination of well pipes
摘要
申请公布号	US3129517(A)	申请公布日期	1964.04.21
申请号	US19600059134	申请日期	1960.09.06
申请人	HOUSTON OIL FIELD MATERIAL COMPANY, INC.	发明人	MCWHERTER CULLEN J.
分类号	E21B47/024	主分类号	E21B47/024
代理机构		代理人
主权项
地址

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