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发明名称
In eine Fassadenmauer eines Raumes eingebaute Be- und Entlüftungseinrichtung.
摘要
申请公布号
CH254733(A)
申请公布日期
1948.05.31
申请号
CHD254733
申请日期
1947.05.27
申请人
HOLLIGER,AUGUST
发明人
HOLLIGER,AUGUST
分类号
F24F7/00
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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