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发明名称
Self sealing gate valve
摘要
申请公布号
US3078865(A)
申请公布日期
1963.02.26
申请号
US19610100162
申请日期
1961.04.03
申请人
ACF INDUSTRIES, INCORPORATED
发明人
ESTES RALPH M.;WYNN ROBERT O.
分类号
F16K3/20;F16K3/36
主分类号
F16K3/20
代理机构
代理人
主权项
地址
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