Multifunctional ladder assembly

The utility model discloses a multi-functional ladder bed, including first ladder section, second ladder section, third ladder section, hinge locking device, hinge locking device is provided with second ladder section both ends, hinge joint with first ladder section and third ladder section respecti...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI HUI, CHENG ZHINENG, LIU YINGJIE, CAO RUIHUAN, XU YONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS LADDERS
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