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    BS 4962

    Naylor Drainage Limited
    Clough Green
    Barnsley
    Cawthorne
    S75 4AD
    United Kingdom
    BSI logo

    Certificate Number: KM 58740
    Scope: Plastics pipes and fittings for use as subsoil field drains

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2001-11-09 2025-02-12 2025-02-05 2028-02-11