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经营范围
发明名称
Visible wedge valve
摘要
申请公布号
US2845954(A)
申请公布日期
1958.08.05
申请号
US19550490937
申请日期
1955.02.28
申请人
HAMER LELAND S
发明人
HAMER LELAND S.
分类号
F16K3/312
主分类号
F16K3/312
代理机构
代理人
主权项
地址
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