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Certificate Number: CPR 597868
Scope: BS EN 771-3:2011+A1:2015 - Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates) - Category I.
Original Registration Date | Effective Date | Last Revision Date | Expiry Date |
---|---|---|---|
2013-06-27 | 2021-07-07 | 2021-07-07 |