Classification opinions
… structures (racks, sets of shelves, furniture, stairs, scaffolding, roofing frameworks, etc.), presented separately … etc.). Adoption : 1963 … 5. Angles, shapes and sections, cold-formed on roller machines from galvanised sheet or … of up to 10 m and a width of from 0.30 to 1 m, used in buildings, (in casting concrete floors, etc.). Adoption : …