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发明名称
VENTILATION DEVICE
摘要
申请公布号
SU1700338(A1)
申请公布日期
1991.12.23
申请号
SU19884466132
申请日期
1988.08.01
申请人
SHCHERBAKOV GEORGIJ V,SU
发明人
SHCHERBAKOV GEORGIJ V,SU
分类号
F24F7/02
主分类号
F24F7/02
代理机构
代理人
主权项
地址
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