Self-locking door of elevator maintenance crawling ladder

The utility model discloses a self-locking door of an elevator maintenance ladder stand, which comprises a welding stand column arranged on one side of the top of the ladder stand, a plurality of hinge seats are arranged on one side of the welding stand column, the plurality of hinge seats are unifo...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: WU YUNWEI, HU JUN, JIANG FANGHUA
Format: Patent
Sprache:chi ; eng
Schlagworte:
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