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发明名称
COMPOSITION AND METHOD FOR RELEASING STUCK DRILL PIPES
摘要
申请公布号
EP0063471(B1)
申请公布日期
1986.03.12
申请号
EP19820301935
申请日期
1982.04.15
申请人
EXXON RESEARCH AND ENGINEERING COMPANY
发明人
WALKER, THAD OSCAR;MATTHEWS, PATRICIA CATHERINE
分类号
C08G65/26;C08G65/28;C09K8/02;E21B31/03;(IPC1-7):C08G65/28;E21B21/00;C09K7/02
主分类号
C08G65/26
代理机构
代理人
主权项
地址
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