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发明名称
Gate valve
摘要
申请公布号
US2866253(A)
申请公布日期
1958.12.30
申请号
US19540418577
申请日期
1954.03.25
申请人
ACF INDUSTRIES, INCORPORATED
发明人
WYNN ROBERT O.
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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