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发明名称
Improvements in and relating to ventilators
摘要
申请公布号
GB528027(A)
申请公布日期
1940.10.21
申请号
GB19390015829
申请日期
1939.05.30
申请人
PERCY GEORGE FOUNTAIN
发明人
分类号
F24F13/16
主分类号
F24F13/16
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代理人
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