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发明名称
INNRETNING FOR STANSING AV EN UKONTROLLERT UTBLAASNING FRAEN OLJE- ELLER GASSKILDE
摘要
申请公布号
NO913970(D0)
申请公布日期
1991.10.10
申请号
NO19910003970
申请日期
1991.10.10
申请人
DEKKO, TRYGVE;HOVENGEN, OEYVIND
发明人
DEKKO, TRYGVE;HOVENGEN, OEYVIND
分类号
E21B33/02;E21B34/02;E21B35/00;(IPC1-7):E21B/
主分类号
E21B33/02
代理机构
代理人
主权项
地址
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