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Sikkerhetsventil for horisontalt ventiltre
申请公布号:
NO950453(A)
申请号:
NO19950000453
申请日期:
1995.02.08
申请公布日期:
1995.08.11
申请人:
FMC CORP
发明人:
MORGAN, MICHAEL GRAHAM
分类号:
E21B34/00;E21B34/04;F16K5/04;F16K31/163;(IPC1-7):E21B34/04
主分类号:
E21B34/00
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