Recent progress in incandescent lamps; notes on improvement in efficiency; standardization; automobile lamps and special lamps for studios.


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    Title :

    Recent progress in incandescent lamps


    Additional title:

    Les plus recents progres des lampes a incandescence


    Contributors:
    Wetzel, J. (author) / Grandjean, R. (author)


    Publication date :

    1932


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    French


    Keywords :


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