Roof throat opening opening and closing type ventilation skylight

The roof throat opening and closing type ventilation skylight comprises two bearing beams installed on the two sides of an air outlet of a roof, a supporting frame is arranged between the two bearing beams, valve plates are symmetrically arranged on the upper surface of the supporting frame, the val...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG SHUAIPING, DU XINHONG, NING LIUNING, LIANG HUA, LI JIAXIN, GUO HONG, NIU XIAOYAN, ZHAO KEYUE, ZHOU ZHIJUN, LEE HOON, ZHANG JINGWEI, ZHANG ZHEN, SUN SHUZHE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING FIXED CONSTRUCTIONS GUTTERS ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS
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