Casing puller and cable guide,申请号US19390292709-传众专利搜索

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发明名称	Casing puller and cable guide
摘要
申请公布号	US2213228(A)	申请公布日期	1940.09.03
申请号	US19390292709	申请日期	1939.08.30
申请人	PROVOST HAROLD T	发明人	PROVOST HAROLD T.
分类号	E21B19/02;E21B43/10	主分类号	E21B19/02
代理机构		代理人
主权项
地址

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