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发明名称
Съемное приспособление для естественной вентиляции помещения
摘要
申请公布号
SU140186(A1)
申请公布日期
1961.11.30
申请号
SU19610697897
申请日期
1961.02.16
申请人
发明人
MAJORSKIJ V.N.
分类号
F24F7/00;E06B7/02;F24F13/08;F24F13/18
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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