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发明名称
Improvements in or relating to fluid-mixing valves
摘要
申请公布号
GB498244(A)
申请公布日期
1939.01.05
申请号
GB19370021099
申请日期
1937.07.30
申请人
THE LEONARD-ROOKE COMPANY
发明人
分类号
G05D23/13
主分类号
G05D23/13
代理机构
代理人
主权项
地址
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