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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Publications of ISO/TC 147/SC 4

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DIN EN 26461-1	1993-04	Standards	Water quality; detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia); part 1: method by enrichment in a liquid medium (ISO 6461-1:1986); german version EN 26461-1:1993 More	Order from DIN Media
DIN EN 26461-2	1993-04	Standards	Water quality; detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia); part 2: method by membrane filtration (ISO 6461-2:1986); german version EN 26461-2:1993 More	Order from DIN Media
DIN EN ISO 7704	2023-12	Standards	Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023); German version EN ISO 7704:2023 More	Order from DIN Media
DIN EN ISO 8199	2021-12	Standards	Water quality - General requirements and guidance for microbiological examinations by culture (ISO 8199:2018); German version EN ISO 8199:2018 More	Order from DIN Media
DIN EN ISO 9308-1	2017-09	Standards	Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014 + Amd 1:2016); German version EN ISO 9308-1:2014 + A1:2017 More	Order from DIN Media
DIN EN ISO 9308-2	2014-06	Standards	Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012); German version EN ISO 9308-2:2014 More	Order from DIN Media
DIN EN ISO 9308-3	1999-07	Standards	Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (most probable number) by inoculation in liquid medium (ISO 9308-3:1998); German version EN ISO 9308-3:1998 More	Order from DIN Media
DIN EN ISO 10705-3	2024-10	Standards	Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003); German version EN ISO 10705-3:2024 More	Order from DIN Media
DIN EN ISO 11731	2019-03	Standards	Water quality - Enumeration of Legionella (ISO 11731:2017); German version EN ISO 11731:2017 More	Order from DIN Media
DIN EN ISO 13843	2018-03	Standards	Water quality - Requirements for establishing performance characteristics of quantitative microbiological methods (ISO 13843:2017); German version EN ISO 13843:2017 More	Order from DIN Media

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