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发明名称
Improvements in fluid flow control valves
摘要
申请公布号
GB911030(A)
申请公布日期
1962.11.21
申请号
GB19610007927
申请日期
1961.03.03
申请人
PRESSURE GAUGES LIMITED;CHARLES ROBERT ARCHIBALD GRANT
发明人
分类号
F16K7/20
主分类号
F16K7/20
代理机构
代理人
主权项
地址
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