Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 2: Pipes; German version EN 12201-2:2011+A1:2013— 30 стр.
Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 2: Pipes; German version EN 12201-2:2011— 29 стр.