Apparatus for testing and replacing defective well casing,申请号US19610125519-传众专利搜索

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发明名称	Apparatus for testing and replacing defective well casing
摘要
申请公布号	US3149676(A)	申请公布日期	1964.09.22
申请号	US19610125519	申请日期	1961.07.20
申请人	A. Z. SKEETERS	发明人	ENSMINGER HARVEY W.
分类号	E21B47/10	主分类号	E21B47/10
代理机构		代理人
主权项
地址

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