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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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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Publications of NA 119

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DIN 4925-1	2017-10	Standards	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 1: DN 35 to DN 100 with pipe thread More	Order from DIN Media
DIN 4925-1	2026-03	Standards	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 1: DN 35 to DN 100 with pipe thread More	Order from DIN Media
DIN 4925-2	2025-02	Draft standard	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 2: DN 100 to DN 200 with trapezoidal thread More	Order from DIN Media
DIN 4925-2	2017-10	Standards	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 2: DN 100 to DN 200 with trapezoidal thread More	Order from DIN Media
DIN 4925-2	2026-03	Standards	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 2: DN 100 to DN 200 with trapezoidal thread More	Order from DIN Media
DIN 4925-3	2025-02	Draft standard	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 3: DN 250 to DN 400 with trapezoidal thread More	Order from DIN Media
DIN 4925-3	2017-10	Standards	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 3: DN 250 to DN 400 with trapezoidal thread More	Order from DIN Media
DIN 4925-3	2026-03	Standards	Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 3: DN 250 to DN 400 with trapezoidal thread More	Order from DIN Media
DIN 4926	2016-12	Standards	Steel wellheads - DN 300 to DN 1200 More	Order from DIN Media
DIN 4927	2021-12	Standards	Flanged steel rising pipes for raising of water - Nominal diameter 50 to 200 More	Order from DIN Media

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