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发明名称
VENTILATING APPARATUS FOR RESTORING VENTILATION OF A BATHROOM OR KITCHEN IN CASE OF NATURAL VENTILATION FAILURE OR CHANGE IN DIRECTION ON AIR FLOW THROUGH NATURAL VENTILATION SYSTEM
摘要
申请公布号
PL188817(B1)
申请公布日期
2005.04.29
申请号
PL19980329202
申请日期
1998.10.15
申请人
GDOWIK WLADYSLAW
发明人
GDOWIK WLADYSLAW
分类号
F24F7/06
主分类号
F24F7/06
代理机构
代理人
主权项
地址
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