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发明名称
Turbine ou moteur souterrain pour le forage du sol
摘要
申请公布号
FR1169407(A)
申请公布日期
1958.12.29
申请号
FRD1169407
申请日期
1957.03.13
申请人
发明人
TIRASPOLSKY WLADIMIR;ROUVIERE ROGER-FRANCOIS
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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