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发明名称
Safety valve having parallel flow bleed outlets
摘要
申请公布号
US3401718(A)
申请公布日期
1968.09.17
申请号
US19650465842
申请日期
1965.06.22
申请人
DRESSER INDUSTRIES, INC.
发明人
BOWEN WILLIAM H.;FERRILL HOMER E.
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
主权项
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