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.


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    Title :

    Collapsible ladder


    Contributors:

    Publication date :

    2024-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E06C LADDERS , Leitern / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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