Oil-well fishing tool,申请号US19270194015-传众专利搜索

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发明名称	Oil-well fishing tool
摘要
申请公布号	US1763703(A)	申请公布日期	1930.06.17
申请号	US19270194015	申请日期	1927.05.25
申请人	HINDERLITER TOOL COMPANY	发明人	HINDERLITER FRANK J.
分类号	E21B27/00;E21B27/04;E21B31/08	主分类号	E21B27/00
代理机构		代理人
主权项
地址

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