Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
An attachment for a ladder includes a pair of spaced rails secured together by at least one rung and a removable pin at an end for securing the attachment to a standard ladder.
An attachment for a ladder includes a pair of spaced rails secured together by at least one rung and a removable pin at an end for securing the attachment to a standard ladder.
Rescue ladder attachment
HOFFMANN ROSS (Autor:in)
15.06.2021
Patent
Elektronische Ressource
Englisch