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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 350/SC 1/WG 1

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Document number	Begin	Title	Comment
DIN EN 18177-2	2026-09-08	Circular economy in the construction sector - Part 1: Framework and principles More	Comment
DIN EN 18177-1	2026-09-08	Circular economy in the construction sector - Part 1: Terminology More	Comment
DIN EN 18177	2024-05-07	Circular economy in the construction sector - Framework, principles, and definitions; German and English version prEN 18177:2025 More	Comment

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Projects of CEN/TC 350/SC 1/WG 1

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