Primary test boards are means provided for quickly locating faults as they occur in outside toll plant; their use results in considerable economies by reducing out-of-service periods and by permitting repairs to be made when their cost is slight; equipment developed by Bell Laboratories.


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    Titel :

    Primary toll test boards


    Weitere Titelangaben:

    Bell Laboratories Rec


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1935


    Format / Umfang :

    5 pages


    Anmerkungen:

    Diagrams


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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