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发明名称
Gate valve
摘要
In this gate valve, two semi-seal lines between the closure member and the seat cross at the level of the flow axis through the valve. In this way, the overall axial size and the force for operating the valve are reduced.
申请公布号
US4541613(A)
申请公布日期
1985.09.17
申请号
US19840585040
申请日期
1984.03.07
申请人
PONT-A-MOUSSON S.A.
发明人
BARBE, PIERRE L. C. C.
分类号
F16K3/00;F16K3/12;F16K3/28;F16K3/314;(IPC1-7):F16K3/12;F16K3/316
主分类号
F16K3/00
代理机构
代理人
主权项
地址
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