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DIN 38412-1:1982-06

Отменен
German standard methods for the examination of water, waste water and sludge; Test methods using water organisms (group L); General guidelines for the planning, performance and evaluation of biological tests (L 1) — 9 стр.
ICS
13.060.30 Sewage. Including sewage water disposal and treatment / Сточные воды. Включая удаление и очистку сточных вод