Tubing rotator,申请号US19490101550-传众专利搜索

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发明名称	Tubing rotator
摘要
申请公布号	US2595434(A)	申请公布日期	1952.05.06
申请号	US19490101550	申请日期	1949.06.27
申请人	MEXIA TUBING ROTATOR COMPANY	发明人	WILLIAMS WILLIAM W.
分类号	E21B33/04;E21B43/12	主分类号	E21B33/04
代理机构		代理人
主权项
地址

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