Flexible ladder of ascending a height

The utility model discloses a flexible ladder of ascending a height, including outer ladder in the right side and the outer ladder in a left side, be equipped with right manhole ladder and left manhole ladder in it respectively, right manhole ladder and left manhole ladder top evenly are equipped wi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LYU SHENGYU
Format: Patent
Sprache:chi ; eng
Schlagworte:
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