Conditions of drain and sewer systems outside buildings - Part 2: Visual inspection coding system; German version EN 13508-2:2003, Corrigenda to DIN EN 13508-2:2003-09; German version EN 13508-2:2003/AC:2007— 2 стр.
Conditions of drain and sewer systems outside buildings - Part 2: Visual inspection coding system; German version EN 13508-2:2003, Corrigenda to DIN EN 13508-2:2003-09; German version EN 13508-2:2003/AC:2007— 2 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 18 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 17 стр.
Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 1: General (ISO 11296-1:2009); German version EN ISO 11296-1:2011— 22 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 17 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 16 стр.