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经营范围
发明名称
Improvements in or relating to fluid valves
摘要
申请公布号
GB710532(A)
申请公布日期
1954.06.16
申请号
GB19520004379
申请日期
1952.02.19
申请人
ARNE JORGEN CARL OLSEN
发明人
分类号
F16K7/07
主分类号
F16K7/07
代理机构
代理人
主权项
地址
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