DIN 38412-20:1980-12

Отменен

German standard methods for the examination of water, waste water and sludge; bio-assays (group L), determination of the effect of waste water and industrial effluences on fish, fish-test (L 20) — 7 стр.

Описание Изменения Ссылки Версии

ICS

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