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发明名称
Gate valve construction
摘要
申请公布号
US3085782(A)
申请公布日期
1963.04.16
申请号
US19600005421
申请日期
1960.01.29
申请人
GROVE MARVIN H
发明人
GROVE MARVIN H.
分类号
F16K27/04
主分类号
F16K27/04
代理机构
代理人
主权项
地址
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