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发明名称
Improvements in fluid flow controlling valves
摘要
申请公布号
GB345369(A)
申请公布日期
1931.03.26
申请号
GB19300000185
申请日期
1930.01.02
申请人
CHARLES HENRY SCHMALZ
发明人
分类号
F16K3/10
主分类号
F16K3/10
代理机构
代理人
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