DIN EN 295-1:2013-05 Vitrified clay pipe systems for drains and sewers - Part 1: Requirements for pipes, fittings and joints; German version EN 295-1:2013
2013DIN EN 295-1:2013-05 Vitrified clay pipe systems for drains and sewers - Part 1: Requirements for pipes, fittings and joints; German version EN 295-1:2013
2013DIN EN 295-1:2013 Vitrified clay pipe systems for drains and sewers - Part 1: Requirements for pipes, fittings and joints; German version EN 295-1:2013