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发明名称
Double block and vent valve system with improved flow handling feature
摘要
申请公布号
US5165443(A)
申请公布日期
1992.11.24
申请号
US19910759255
申请日期
1991.09.13
申请人
ITT CORPORATION
发明人
BUCHANAN, JOSEPH R.
分类号
F16K1/44
主分类号
F16K1/44
代理机构
代理人
主权项
地址
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