Metal scaffolding. Couplers, Specification for steel couplers, loose spigots and base-plates for use in working scaffolds and falsework made of steel tubes— 28 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.
