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发明名称
BORESTRENG-STYKKE MED SELVLUKKENDE KABELAAPNING-VENTIL
摘要
申请公布号
NO840466(A)
申请公布日期
1984.08.23
申请号
NO19840000466
申请日期
1984.02.08
申请人
EXXON PROD RESEARCH COMP,
发明人
DAVIS, ALBERT P., JR.,;KNIGHT, ORIEN MONROE,;STOLTZ, JOHN W.,
分类号
E21B17/02;(IPC1-7):E21B/
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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