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发明名称
Gate valve
摘要
申请公布号
US3266525(A)
申请公布日期
1966.08.16
申请号
US19630312494
申请日期
1963.09.30
申请人
USINE DE WECKER S. A. R. L.
发明人
WOLTER HEINZ
分类号
F16K3/20
主分类号
F16K3/20
代理机构
代理人
主权项
地址
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