Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A collapsible ladder with steps that remained stored within the frame or automatically deploy for use. The ladder can be manual, semi-automatic, or remote controlled.
A collapsible ladder with steps that remained stored within the frame or automatically deploy for use. The ladder can be manual, semi-automatic, or remote controlled.
Collapsible ladder
CARTER JOHN W (Autor:in)
09.04.2024
Patent
Elektronische Ressource
Englisch