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发明名称
Improvements relating to non-return valves
摘要
申请公布号
GB690897(A)
申请公布日期
1953.04.29
申请号
GB19510004588
申请日期
1951.02.26
申请人
THE HYMATIC ENGINEERING COMPANY LIMITED
发明人
JAY JAMES BERTRAM;BRIDGE FRANK
分类号
F16K15/14
主分类号
F16K15/14
代理机构
代理人
主权项
地址
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