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经营范围
发明名称
Procédé et appareil permettant de régler la production d'un puits
摘要
申请公布号
FR1495896(A)
申请公布日期
1967.09.22
申请号
FR19660078859
申请日期
1966.10.05
申请人
发明人
HENDERSON JOHN KELLER
分类号
E21B7/06;F16L27/10
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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