Loose-leaf switch manhole door and chemical equipment

The utility model discloses a hinge opening and closing manhole door and chemical equipment, the hinge opening and closing manhole door comprises a door plate, a movable hinge, a base and a locking mechanism used for selectively locking the door plate and the base, the base is provided with a first...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DING LEI, WU TIANHAI, YU SANDONG, HUANG SIYUAN, CHEN JIAN, HU ZHIQIANG, LIANG HETAO, YUAN ZHONG, YI ZHIYUAN, ZHOU WENZHENG, ZHAO XINGLONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS 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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