Patents for inventions. (Period 1916-20 A.D., Class 118 (ii))


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    Title :

    Signals including marine signals


    Additional title:

    Abridgments Specifications



    Publication date :

    1925


    Size :

    200 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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