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发明名称
Anordning ved flerkuletilbakeslagsventil
摘要
申请公布号
NO20013548(D0)
申请公布日期
2001.07.18
申请号
NO20010003548
申请日期
2001.07.18
申请人
NATIONAL OILWELL INC
发明人
KYLLINGSTAD, AAGE
分类号
F04B53/10;F16K15/04;(IPC1-7):F04B
主分类号
F04B53/10
代理机构
代理人
主权项
地址
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