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发明名称
Gate valves
摘要
申请公布号
US2711877(A)
申请公布日期
1955.06.28
申请号
US19540410109
申请日期
1954.02.15
申请人
THE OHIO INJECTOR COMPANY
发明人
DOSTER HOWARD G.
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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