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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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Standards [CURRENT]

ISO 20304-1
Fine bubble technology - Water treatment applications - Part 1: Test method for evaluating ozone fine bubble water generating systems by the decolorization of methylene blue

Title (German)

Feinblasentechnologie - Wasseraufbereitungsanwendungen - Teil 1: Prüfverfahren zur Bewertung von Ozon-Feinblasen-Wassererzeugungssystemen durch Entfärbung von Methylenblau