Fire extinguishing device

The invention relates to the field of fire extinguishing equipment, and discloses a fire extinguishing device which comprises a bridge seat and a bridge cover, the bridge seat is a trapezoidal block body, the middle of the bridge seat is provided with a front-back through protection groove with an o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DING MIN, JIA KAIPENG, ZHAO MING, CHU FUTAO, CHEN YINGBAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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