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经营范围
发明名称
Swing check valve
摘要
A swing check valve having a readily replaceable valve seat and having a cage surrounding the disc in the final closing movement of the disc sized to guide the disc evenly onto the seat.
申请公布号
US4872480(A)
申请公布日期
1989.10.10
申请号
US19880249998
申请日期
1988.09.27
申请人
SCARAMUCCI, JOHN P.
发明人
SCARAMUCCI, JOHN P.
分类号
F16K15/03
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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