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经营范围
发明名称
Sleeve lined plug valves
摘要
申请公布号
US3199835(A)
申请公布日期
1965.08.10
申请号
US19610135298
申请日期
1961.08.31
申请人
THE DURIRON COMPANY, INC.
发明人
FREED JACOB B.
分类号
F16K5/02;F16K5/04;F16K5/08
主分类号
F16K5/02
代理机构
代理人
主权项
地址
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