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DIN 38412-30:1989-03

Действует
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30) — 9 стр.
ICS
13.060.70 Examination of biological properties of water / Исследование биологических свойств воды