Pipe slip means for use with well equipment,申请号GB19560003983-传众专利搜索

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发明名称	Pipe slip means for use with well equipment
摘要
申请公布号	GB813181(A)	申请公布日期	1959.05.13
申请号	GB19560003983	申请日期	1956.02.08
申请人	JOY MANUFACTURING COMPANY	发明人
分类号	E21B19/10	主分类号	E21B19/10
代理机构		代理人
主权项
地址

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