LST EN 26461-2-1999 Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration (ISO 6461-2:1986)
1999LST EN 26461-2-1999 Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration (ISO 6461-2:1986)
LST EN 26461-2-1999 Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration (ISO 6461-2:1986) was changed to LST EN 966-2012+A1-2012 Helmets for airborne sports.