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发明名称
Gate valve
摘要
申请公布号
US2676780(A)
申请公布日期
1954.04.27
申请号
US19510222359
申请日期
1951.04.23
申请人
CHARLES WHEATLEY
发明人
WHEATLEY CHARLES
分类号
F16K3/18
主分类号
F16K3/18
代理机构
代理人
主权项
地址
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