Apparatus for operating a well cable,申请号US19390275233-传众专利搜索

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发明名称	Apparatus for operating a well cable
摘要
申请公布号	US2193668(A)	申请公布日期	1940.03.12
申请号	US19390275233	申请日期	1939.05.23
申请人	BASYE EDWIN J	发明人	BASYE EDWIN J.
分类号	E21B43/12	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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