Cleaning type ventilation protection air-tight door

The invention relates to a cleaning type ventilation protection air-tight door. The cleaning type ventilation protection air-tight door comprises a door leaf. Inner air-tight doors are arranged on theinner side of the door leaf and vertically hinged to the door leaf, and each hinge point is located...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LYU CUNLIANG, YAN XIGUO, FAN QUANJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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