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经营范围
发明名称
Turbines hydrauliques pour le forage des trous de sonde
摘要
申请公布号
FR1459099(A)
申请公布日期
1966.04.29
申请号
FR19650031612
申请日期
1965.09.16
申请人
发明人
WHITTLE FRANK
分类号
E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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