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发明名称
Improvements in or relating to air louvres for high-velocity ventilation
摘要
申请公布号
GB543287(A)
申请公布日期
1942.02.18
申请号
GB19390032313
申请日期
1939.12.15
申请人
ANTONIO VAGLIANI
发明人
分类号
F24F13/065
主分类号
F24F13/065
代理机构
代理人
主权项
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