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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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Projects of CEN/TC 164/WG 9

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Document number	Begin	Title	Comment
DIN EN 891	2024-12-02	Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate; German and English version prEN 891:2025 More	Comment
DIN EN 12485	2023-11-13	Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide, calcium magnesium carbonate and dolomitic lime - Test methods; German version EN 12485:2026 More	Comment
DIN EN 1278	2022-06-29	Chemicals used for treatment of water intended for human consumption – Ozone; German version FprEN 1278:2026 More	Comment

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