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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 74/WG 2

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Document number	Begin	Title	Comment
DIN EN 1092-1/A1	2021-12-09	Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2018/FprA1:2026 More	Comment
DIN EN 1759-3	2020-06-15	Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges; German and English version prEN 1759-3:2021 More	Comment
DIN EN 1759-4	2020-06-15	Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 4: Aluminium alloy flanges; German and English version prEN 1759-4:2021 More	Comment
DIN EN 1092-3	2020-06-15	Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 3: Copper alloy flanges; German and English version prEN 1092-3:2021 More	Comment

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