01.040.45: Railway engineering (Vocabularies)

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  1. HISTORICAL

    IEC 60050-821 Ed. 1.0 b:1998 [ Withdrawn ]

    This document has been replaced. View the most recent version.

    International Electrotechnical Vocabulary - Part 821: Signalling and security apparatus for railways

    standard by International Electrotechnical Commission, 04/29/1998.

    Languages: English,French

    Historical Editions: IEC 60050-821 Ed. 2.0 b:2017

  2. MOST RECENT

    IEC 60050-821 Ed. 2.0 b:2017

    International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways

    standard by International Electrotechnical Commission, 11/20/2017.

    Languages: English,French

    Historical Editions: IEC 60050-821 Ed. 1.0 b:1998