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发明名称
VENTILATION DEVICES
摘要
申请公布号
GB8331840(D0)
申请公布日期
1984.01.04
申请号
GB19830031840
申请日期
1983.11.29
申请人
GLENDALE ENG LTD
发明人
分类号
E04D13/17;F24F7/02;F24F13/08
主分类号
E04D13/17
代理机构
代理人
主权项
地址
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