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发明名称
Check valve
摘要
申请公布号
US2711188(A)
申请公布日期
1955.06.21
申请号
US19510225551
申请日期
1951.05.10
申请人
THE CHAPMAN VALVE MANUFACTURING COMPANY
发明人
NICKERSON ELMER K.
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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