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发明名称
Elektro-hydraulisk ventilaktuator
摘要
申请公布号
NO177241(B)
申请公布日期
1995.05.02
申请号
NO19930000753
申请日期
1993.03.01
申请人
SANGESLAND, SIGBJOERN
发明人
SANGESLAND, SIGBJOERN
分类号
E21B17/02;E21B34/06;E21B34/14;F15B15/18;F16K31/143;(IPC1-7):F16K31/122;F16K31/42
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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