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发明名称
Automatic dump valve
摘要
申请公布号
US3318327(A)
申请公布日期
1967.05.09
申请号
US19640358895
申请日期
1964.04.10
申请人
NEWPORT NEWS SHIPBUILDING AND DRY DOCK COMPANY
发明人
HIMES WILLIAM A.;GRAHAM ALFRED E.
分类号
E02F3/90;E21C45/00;F16K1/20
主分类号
E02F3/90
代理机构
代理人
主权项
地址
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