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发明名称
Improvements relating to lift valves
摘要
申请公布号
GB861665(A)
申请公布日期
1961.02.22
申请号
GB19580017168
申请日期
1958.05.29
申请人
ATELIERS DE CONSTRUCTIONS METALLIQUES ET MECANIQUES GIOVANOLA FRERES S. A.
发明人
分类号
F16K31/14
主分类号
F16K31/14
代理机构
代理人
主权项
地址
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