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发明名称
Gate valve
摘要
申请公布号
US2778600(A)
申请公布日期
1957.01.22
申请号
US19520297328
申请日期
1952.07.05
申请人
CRANE CO.
发明人
BREDTSCHNEIDER KURT B.;FENNEMA RICHARD
分类号
F16K3/18
主分类号
F16K3/18
代理机构
代理人
主权项
地址
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