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经营范围
发明名称
Flerports-tostillingsventil
摘要
申请公布号
NO952754(D0)
申请公布日期
1995.07.11
申请号
NO19950002754
申请日期
1995.07.11
申请人
KONGSBERG OFFSHORE AS
发明人
分类号
E21B33/035;F16K11/078;F16K31/528;(IPC1-7):F16K
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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