Fishing tool for wells,申请号US19320622705-传众专利搜索

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发明名称	Fishing tool for wells
摘要
申请公布号	US1924424(A)	申请公布日期	1933.08.29
申请号	US19320622705	申请日期	1932.07.15
申请人	METER RAY S VAN	发明人	METER RAY S. VAN
分类号	E21B31/18	主分类号	E21B31/18
代理机构		代理人
主权项
地址

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