Building material machines - Mixers for concrete and mortar - Part 2: Procedure for the examination of the mixing efficiency of concrete mixers— 11 стр.
91.220 Construction. Including scaffolding, mixers for concrete and mortar, etc. / Строительное оборудование. Включая строительные леса, бетоносмесители и мешалки для строительных растворов и т.д.
