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    BS EN 771-3

    Lignacite Limited
    High Street
    Brandon
    Norfolk House
    IP27 0AX
    United Kingdom
    BSI logo

    Certificate Number: KM 09694
    Scope: Specification for masonry units - Aggregate concrete masonry units (Dense and light-weight aggregates)

    Original Registration Date Effective Date Last Revision Date Expiry Date
    1990-04-01 2025-06-11 2025-06-11 2025-12-31