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经营范围
发明名称
Improvements in or relating to fluid flow control valves
摘要
申请公布号
GB927733(A)
申请公布日期
1963.06.06
申请号
GB19610020901
申请日期
1961.06.09
申请人
CUT KRAVAGNA
发明人
分类号
F16K31/34
主分类号
F16K31/34
代理机构
代理人
主权项
地址
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