DIN 19557-1:1984-05

Отменен

Sewage treatment plants; mineral filter media for percolating filters; requirements, testing, delivery, placing — 4 стр.

Заменен на

DIN 19557:2004-01

ICS

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