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发明名称
An improved valve for controlling the flow of fluids
摘要
申请公布号
GB839761(A)
申请公布日期
1960.06.29
申请号
GB19550024821
申请日期
1955.08.30
申请人
LEONARD WILLIAM LEVY
发明人
分类号
F16K1/52;F16K47/06
主分类号
F16K1/52
代理机构
代理人
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