DIN 4261-5:2011-11

Отменен

Small sewage treatment plants - Part 5: Infiltration of aerobic biologically treated domestic wastewater — 11 стр.

Заменен на

DIN 4261-5:2012-10

ICS

13.060.30 Sewage. Including sewage water disposal and treatment / Сточные воды. Включая удаление и очистку сточных вод