Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws and studs (ISO 3506-1:1997); German version EN ISO 3506-1:1997— 19 стр.
Precast unreinforced and reinforced concrete components for manholes over buried drains and sewers; Dimensions and technical delivery conditions— 16 стр.
Precast unreinforced and reinforced concrete components for manholes over buried drains and sewers - Dimensions and technical delivery conditions— 16 стр.