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发明名称
Aktiveringsmodul
摘要
申请公布号
NO316034(B1)
申请公布日期
2003.12.01
申请号
NO19990004260
申请日期
1999.09.02
申请人
COOPER CAMERON CORP
发明人
HOPPER HANS PAUL
分类号
E21B33/035;H02J9/06;(IPC1-7):E21B33/035;E21B34/02;F16K31/04
主分类号
E21B33/035
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代理人
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