Plans for public supplies, for water engineering and for transmission lines, plans for sewage systems of public waste water plantsPlans pour les alimentations publiques, pour I'économie des eaux et pour les conduites de transport à grande distance; plans
DIN 2425-4:1980 history
2022DIN 2425-4:2022-11 Plans for Public Utilities, Water Resources and Long-distance Lines - Part 4: Drain and sewer systems outside buildings
1970DIN 2425-4 E:2018-07 Plans for Public Utilities, Water Resources and Long-distance Lines - Part 4: Drain and sewer systems outside buildings
2018DIN 2425-4 E:2018 Draft Document - Plans for Public Utilities, Water Resources and Long-distance Lines - Teil 4: Drain and sewer systems outside buildings
1980DIN 2425-4:1980 Plans for Public Utilities, Water Resources and Long-distance Lines; Sewer Network Drawings of Public Sewerage Systems