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发明名称
Improvements in and relating to spool valves
摘要
申请公布号
GB850222(A)
申请公布日期
1960.10.05
申请号
GB19560005785
申请日期
1956.02.24
申请人
THE ENGLISH ELECTRIC COMPANY LIMITED
发明人
BLONSTEIN JACOB LEWIS
分类号
F16K11/07
主分类号
F16K11/07
代理机构
代理人
主权项
地址
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