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发明名称
Fluid flow control devices
摘要
申请公布号
GB868543(A)
申请公布日期
1961.05.17
申请号
GB19570030566
申请日期
1957.10.30
申请人
SYDNEY WILLIAM GRIDLEY
发明人
分类号
F16K1/14;F24F13/16
主分类号
F16K1/14
代理机构
代理人
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