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    BS 4873/PAS 24

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

    Certificate Number: KM 683091
    Scope: Enhanced Security Aluminium Window System Supplier

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2017-11-29 2024-08-22 2024-08-22 2026-11-28