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经营范围
发明名称
Gate valves
摘要
申请公布号
US2726842(A)
申请公布日期
1955.12.13
申请号
US19540462060
申请日期
1954.10.13
申请人
CECIL SEAMARK LEWIS MERVYN
发明人
SEAMARK LEWIS MERVYN CECIL
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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