Air purifying system for apartment house

The present invention relates to an air ventilation and purification system for an apartment house. The air ventilation and purification system for an apartment house includes: an entrance-side inflow air suction pipe attached to the inside of an entrance door frame and having a plurality of entranc...

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Bibliographische Detailangaben
1. Verfasser: ROH HEOUNG RAE
Format: Patent
Sprache:eng ; kor
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