DIN 4261-1:1991-02

Отменен

Small sewage treatment plants; plants without aeration (septic tanks); application, design and construction — 11 стр.

Заменен на

DIN 4261-1:2002-12

ICS

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