DIN 1053-4 - DRAFT [ Withdrawn ]
DIN 1053-4 - DRAFT Draft Document - Masonry - Part 4: Prefabricated masonry compound units
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2017
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2017