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经营范围
发明名称
Improvements in or relating to fluid pressure reducing valves
摘要
申请公布号
GB648302(A)
申请公布日期
1951.01.03
申请号
GB19460027241
申请日期
1946.09.11
申请人
THOMAS COSTELLO
发明人
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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