Method of setting well casing,申请号US19370156266-传众专利搜索

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发明名称	Method of setting well casing
摘要
申请公布号	US2116236(A)	申请公布日期	1938.05.03
申请号	US19370156266	申请日期	1937.07.29
申请人	A. O. SMITH CORPORATION	发明人	DICKEY FRANK F.;JR. HOWARD S. COLE,
分类号	E21B19/14	主分类号	E21B19/14
代理机构		代理人
主权项
地址

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