Details of door-shutting devices for municipal buses and cars which can be controlled either electrically, hydraulically, or pneumatically; pneumatic drive is especially desirable when vehicle is equipped with pneumatic brakes; new Knorr automatic door-closing devices with pneumatic control adopted by Berliner Verkehrs-Gesellschaft.


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    Title :

    Door closed before starting


    Additional title:

    Tuer zu vor dem Abfahren


    Published in:

    Publication date :

    1929


    Size :

    3 pages


    Remarks:

    4 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    German


    Keywords :


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