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发明名称
DUAL BUTTERFLY VALVE
摘要
<p>The invention relates to a valve device including a main butterfly valve (2) and a secondary butterfly (12) valve (B) mounted within the throttle plate (2) of the main valve (A).</p>
申请公布号
WO2011098680(A1)
申请公布日期
2011.08.18
申请号
WO2011FR00030
申请日期
2011.01.18
申请人
KSB S.A.S.;DUBOY, DOMINIQUE;LARRIEU, LUCIEN
发明人
DUBOY, DOMINIQUE;LARRIEU, LUCIEN
分类号
F16K1/22;F16K39/02
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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