• 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 NA 149 BR

ISO 3619 1994-12 Standards Photography - Processing chemicals - Specifications for ammonium thiosulfate solution More  Order from DIN Media
ISO 3620 1994-12 Standards Photography - Processing chemicals - Specifications for aluminium potassium sulfate More  Order from DIN Media
ISO 3621 1994-12 Standards Photography - Processing chemicals - Specifications for sodium tetraborate decahydrate More  Order from DIN Media
ISO 3622 1996-10 Standards Photography - Processing chemicals - Specifications for ammonium thiocyanate More  Order from DIN Media
ISO 3623 1994-12 Standards Photography - Processing chemicals - Specifications for anhydrous potassium carbonate More  Order from DIN Media
ISO 3624 1994-11 Standards Photography - Processing chemicals - Specifications for potassium ferricyanide More  Order from DIN Media
ISO 3625 1994-05 Standards Photography; processing chemicals; specifications for potassium hydroxide More  Order from DIN Media
ISO 3626 1996-10 Standards Photography - Processing chemicals - Specifications for potassium thiocyanate More  Order from DIN Media
ISO 3627 2001-12 Standards Photography - Processing chemicals - Specifications for anhydrous sodium metabisulfite More  Order from DIN Media
ISO 3628 1994-05 Standards Photography; processing chemicals; specifications for boric acid, granular More  Order from DIN Media

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