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发明名称
ANORDNING VED APPARAT FOR PRODUKSJON AV OLJE ELLER GASS FRA EN BROENN
摘要
申请公布号
NO139836(C)
申请公布日期
1979.05.16
申请号
NO19740001619
申请日期
1974.05.06
申请人
BAKER OIL TOOLS, INC.,
发明人
CROWE, TALMADGE LAYNE,
分类号
E21B33/047;E21B34/16;(IPC1-7):E21B23/00;E21B43/14
主分类号
E21B33/047
代理机构
代理人
主权项
地址
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