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发明名称
Bohrturbine, insbesondere zum Bohren von Erdoelbohrungen
摘要
申请公布号
DE1110106(B)
申请公布日期
1961.06.06
申请号
DE1957T014065
申请日期
1957.08.29
申请人
WLADIMIR TIRASPOLSKY
发明人
TIRASPOLSKY WLADIMIR
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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