Means for and method of setting well liners,申请号US19400371634-传众专利搜索

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发明名称	Means for and method of setting well liners
摘要
申请公布号	US2336586(A)	申请公布日期	1943.12.14
申请号	US19400371634	申请日期	1940.12.26
申请人	BECKMAN FRED G;EDWARDS EBBIN F	发明人	BECKMAN FRED G.;EDWARDS EBBIN F.
分类号	E21B43/10	主分类号	E21B43/10
代理机构		代理人
主权项
地址

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