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    BS 4873

    A T B Systems Limited
    Charter House
    Stourbridge
    Brook St, Lye
    DY9 8SN
    United Kingdom
    BSI logo

    Certificate Number: KM 683092
    Scope: Aluminium Window Fabricator

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2017-11-29 2024-11-21 2024-11-21 2026-11-28