Assembly type climbing device for building construction

The invention relates to the technical field of building construction, comprising a first ladder stand, the surface of the first ladder stand is provided with a connecting ring, the surface of the connecting ring is sleeved with a second ladder stand, the surface of the first ladder stand is provide...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QI DAFENG, WANG JIAJIA, YU LIYUE, LIU GANG, SHEN LIANG, SONG YINZHANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS LADDERS
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