DIN 1185-5:1973 Drainage; Control of Sub-Surface Water Management by Drainage with Pipes, Open-Ditch Drainage and Amelioration of the Subsoil; Maintenance
Drainage; regulation of soil water management by drainage with pipes, drainage without pipes, and subsoil amelioration; maintenance work
DIN 1185-5:1973 history
2015DIN 1185-1:2015 Drainage - Control of sub-surface water management by draining with pipes and amelioration of the subsoil - Part 1: General principles
1973DIN 1185-5:1973 Drainage; Control of Sub-Surface Water Management by Drainage with Pipes, Open-Ditch Drainage and Amelioration of the Subsoil; Maintenance