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发明名称
Improvements in and relating to ventilating systems
摘要
申请公布号
GB456592(A)
申请公布日期
1936.11.12
申请号
GB19350018431
申请日期
1935.06.27
申请人
DAVID MACLEISH SMITH C/O METROPOLITAN-VICKERS ELECTRICAL EXPORT CO., LTD.
发明人
分类号
F24F3/044
主分类号
F24F3/044
代理机构
代理人
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