Civil air defense door convenient to open and close

The civil air defense door convenient to open and close comprises a door plate and a hinge seat, a connecting block is installed on the side face of the door plate, a connecting pin is installed in the middle of the connecting block, the middle of a lower clamping plate and the middle of an upper cl...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TANG YANGPING, WU XIANGHUI, TANG JIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS
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