71.060.20

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  1. HISTORICAL

    NS-EN 12122:1998

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

    Chemicals used for treatment of water intended for human consumption — Ammonia solution

    standard by Standards Norway NS-EN, 01/27/1999.

    Languages:

    Historical Editions: NS-EN 12122:2005

  2. NS-EN 12122:2005

    Chemicals used for treatment of water intended for human consumption — Ammonia solution

    standard by Standards Norway NS-EN, 10/01/2005.

    Languages:

    Historical Editions: NS-EN 12122:1998

  3. NS-EN 14156:2003

    Derivatives from coal pyrolysis — Coal tar based oils: Coal tar fuel — Specifications and test methods

    standard by Standards Norway NS-EN, 09/10/2003.

    Languages: