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经营范围
发明名称
Improvements in and relating to relief valves
摘要
申请公布号
GB847283(A)
申请公布日期
1960.09.07
申请号
GB19570038509
申请日期
1957.12.11
申请人
THE ENGLISH ELECTRIC COMPANY LIMITED
发明人
HUNT ROWLAND DELVILLE
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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