DIN 1185-1:2014-10

Отменен

Drainage - Control of Sub-surface Water Management by Draining with Pipes and Amelioration of the Subsoil - Part 1: General Principles

На этот документ ссылаются

Действует

Drainage - Control of sub-surface water management by draining with pipes and amelioration of the subsoil - Part 1: General principles — 38 стр.