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发明名称
FLAP VALVE
摘要
申请公布号
US5117871(A)
申请公布日期
1992.06.02
申请号
US19910674393
申请日期
1991.03.25
申请人
SIMON-HARTLEY LIMITED
发明人
GARDNER, FREDERICK B.;AUSTIN, ERIC P.
分类号
F16K15/03;F16K15/14
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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