Fire resisting shutter for building fire fighting

The utility model discloses a fire resisting shutter for building fire protection, which belongs to the technical field of building fire protection and comprises a shell, the shell is fixedly connected with a rotating shaft through an output end of a servo motor, the outer side of the rotating shaft...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LIU JUN, CHENG PANFENG, ZHANG SHUHAO, LIU SHUCHAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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