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NS EN 771-1 : 2011 + A1 2015
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The latest, up-to-date edition.
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SPECIFICATION FOR MASONRY UNITS - PART 1: CLAY MASONRY UNITS
12-01-2013
Defines the characteristics and performance requirements for masonry units manufactured from clay for which the main intended uses are protected or unprotected masonry structure (e.g. facing and rendered masonry, loadbearing or non-loadbearing masonry structures, including internal linings and partitions, for building and civil engineering).
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