DIN 19645:2006-04

Отменен

Treatment of spent filter backwash water from systems for treatment of water of swimming-pools and baths — 30 стр.

Заменен на

DIN 19645:2016-07

ICS

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