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发明名称
ISOLERINGSVENTILORGANER FOR ANVENDELSE I FORBINDELSE MED ET OLJEBROENN-PROEVEAPPARAT
摘要
申请公布号
NO149673(B)
申请公布日期
1984.02.20
申请号
NO19760002128
申请日期
1976.06.18
申请人
HALLIBURTON CO,
发明人
FARLEY, DAVID L.,;BARRINGTON, BURCHUS Q.,
分类号
E21B34/00;E21B34/10;E21B49/00;E21B49/08;(IPC1-7):E21B34/06
主分类号
E21B34/00
代理机构
代理人
主权项
地址
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GASSFYRTOEY MED ELEKTRISK TENNING.
MAGNETPLATEKASSETT.