Safety ladder unloading device

The utility model discloses a force unloading device for a safety ladder, which belongs to the technical field of safety ladder devices and comprises an upper suspension section, a middle standard connection section connected to the bottom of the upper suspension section and a bottom connection sect...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG PENG, ZHANG PINFENG, ZONG GENPENG, WU BIN, ZHANG HUAIFENG, LIAN YONGSHUAI, REN SIMEI, WANG HUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS LADDERS
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