DIN 19643-2:1997-04

Отменен

Treatment of water of swimming-pools and baths - Part 2: Combination of process: Adsorption, flocculation, filtration, chlorination — 6 стр.

Заменен на

DIN 19643-2:2012-11

ICS

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