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发明名称
Gate valve
摘要
申请公布号
US2905192(A)
申请公布日期
1959.09.22
申请号
US19570685513
申请日期
1957.09.23
申请人
KAREL VELAN ADOLF
发明人
VELAN ADOLF KAREL
分类号
F16K3/30
主分类号
F16K3/30
代理机构
代理人
主权项
地址
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