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发明名称
Sluice valve
摘要
申请公布号
US2774371(A)
申请公布日期
1956.12.18
申请号
US19520297124
申请日期
1952.07.03
申请人
ALLAN GRANNENFELT
发明人
GRANNENFELT ALLAN
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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