
German standard methodes for the examination of water, waste water und sludge; microbiological methods (group K); determination of Escherichia coli and coliform organisms (K6)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO 9308-2:1990 - Identical
ISO 9308-3:1998 - Identical
ISO 9308-1:2000 - Identical