Tubing for oil wells,申请号US19260091695-传众专利搜索

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发明名称	Tubing for oil wells
摘要
申请公布号	US1774075(A)	申请公布日期	1930.08.26
申请号	US19260091695	申请日期	1926.03.02
申请人	B AND B PIPE SHOPS CORPORATION	发明人	BARDEEN HUGH A.
分类号	E21B17/042;F16L15/00	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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