DIN EN 13946:2003-09

Отменен

Water quality - Guidance standard for the routine sampling and pretreatment of benthic diatoms from rivers; German version EN 13946:2003 — 19 стр.

Заменен на

DIN EN 13946:2014-07

ICS

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