Assembly type crawling ladder

Aiming at the problems of long time consumption, high cost and non-environmental protection caused by the fact that a walking ladder and a fixed platform of an overhaul channel are connected in a field measurement, blanking and welding mode during existing bridge overhaul, the utility model provides...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZOU MINYONG, SHAN QIUWEI, LI LIN, YANG GUANGWU, LIU KEFENG, XIE XIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS LADDERS
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