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ÖNORM EN 772-19:2000-06

Действует
Methods of test for masonry units - Part 19: Determination of moisture expansion of large horizontally perforated clay masonry units
This European Standard specifies an accelerated method of determining the moisture expansion of large clay units with horizontal perforations that have one dimension equal to or greater than 400 mm and shell thicknesses less than 12 mm.
Diese Europäische Norm legt ein Schnellverfahren zur Bestimmung der Feuchtedehnung großer, horizontal gelochter Mauerziegel mit einem Maß >= 400 mm und Außenschalendicken <12 mm fest.
ICS
91.100.15 Mineral. Including earth, sands, clay, slates, stones, etc. / Минеральные материалы и изделия. Включая землю, песок, глину, шифер, камень, кирпич и т.д.