Rapid-mounted fire-retarding device

The utility model discloses a rapid-mounted fire-retarding device which comprises a funnel type linking joint, a fire-retarding piece and a seal fastener, wherein the funnel type linking joint is used for being inserted into an external passage; the fire-retarding piece is arranged in the funnel typ...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU CHANGKANG, YUAN WENZHENG, SUN JINGFU, MU DAYU, ZHANG LIXIAO, WANG XIAOBO, MENG MENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING
Online-Zugang:	Volltext bestellen
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