Well and method of constructing and cementing same,申请号US19330689139-传众专利搜索

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发明名称	Well and method of constructing and cementing same
摘要
申请公布号	US2080406(A)	申请公布日期	1937.05.18
申请号	US19330689139	申请日期	1933.09.12
申请人	ALLEN JACK W	发明人	ALLEN JACK W.
分类号	E21B33/10	主分类号	E21B33/10
代理机构		代理人
主权项
地址

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