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发明名称
Automatically actuated gate cut-off valve, responsive to pressure drop, with gate sealing means, useful in pressurized waveguides
摘要
申请公布号
US3089511(A)
申请公布日期
1963.05.14
申请号
US19610119135
申请日期
1961.06.23
申请人
HER MAJESTY'S POSTMASTER GENERAL
发明人
TAYLOR FREDERICK JOHN DUNN
分类号
F16K17/32;H01P1/30
主分类号
F16K17/32
代理机构
代理人
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