Evolution of reinforced-concrete tie; rational reinforcedconcrete tie; general characteristics of Prot railroad tie; instructions for laying Prot tie and for its maintenance.


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    Title :

    The prot sleeper


    Additional title:

    Int. Ry. Congress Assn. -- Bul


    Contributors:
    Prot, M. (author)


    Publication date :

    1930


    Size :

    17 pages


    Remarks:

    10 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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