Pressure relief device for bidirectional handle rotating window blind

The utility model relates to a two-way handle rotary type louver pressure releasing device and relates to a device which is used to release the pressure of an air door, the purposes of the utility model are to solve the problem that the air door is opened difficultly and to provide the two-way handl...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG MINGFU, PANG YUFAN, ZHAN YANJUN, CHU YIWU, YAN LIZHANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!