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发明名称
Improvements relating to pressure reducing valves
摘要
申请公布号
GB690567(A)
申请公布日期
1953.04.22
申请号
GB19500017865
申请日期
1950.07.17
申请人
STANLEY WILLIAM HOSKINS
发明人
分类号
G05D16/10
主分类号
G05D16/10
代理机构
代理人
主权项
地址
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