DIN 38412-31:1989-03

Отменен

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of fish to the toxicity of waste water by way of a dilution series (L 31) — 8 стр.

Описание Изменения Ссылки Версии

ICS

13.060.70 Examination of biological properties of water / Исследование биологических свойств воды