Registration number (WIID)Project No.TitleStatus
31299EN 771-6:2011Specification for masonry units - Part 6: Natural stone masonry unitsAtcelts
31298LVS EN 771-5:2011Specification for masonry units - Part 5: Manufactured stone masonry unitsAtcelts
31298EN 771-5:2011Specification for masonry units - Part 5: Manufactured stone masonry unitsAtcelts
31296LVS EN 771-4:2011Specification for masonry units - Part 4: Autoclaved aerated concrete masonry unitsAtcelts
31296EN 771-4:2011Specification for masonry units - Part 4: Autoclaved aerated concrete masonry unitsAtcelts
31295EN 771-3:2011Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)Atcelts
31295LVS EN 771-3:2011Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)Atcelts
31294EN 771-2:2011Specification for masonry units - Part 2: Calcium silicate masonry unitsAtcelts
31294LVS EN 771-2:2011 Specification for masonry units - Part 2: Calcium silicate masonry unitsAtcelts
31293EN 771-1:2011Specification for masonry units - Part 1: Clay masonry unitsAtcelts
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