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经营范围
发明名称
Procédé et équipement pour la mise en production de puits
摘要
申请公布号
FR1349936(A)
申请公布日期
1964.01.24
申请号
FR19620910978
申请日期
1962.10.02
申请人
发明人
THOMAS GEORGE ALFORD;HATCH JOHN RAYMOND;CRAVEN DAVID
分类号
E21B33/14
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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