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发明名称
Hydraulisk aktuator
摘要
申请公布号
NO20000253(A)
申请公布日期
2000.03.06
申请号
NO20000000253
申请日期
2000.01.18
申请人
DRESSER INDUSTRIES INC
发明人
DEATON, THOMAS M.
分类号
E21B23/04;E21B34/10;F15B15/14;(IPC1-7):F15B15/14
主分类号
E21B23/04
代理机构
代理人
主权项
地址
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