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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 CEN/TC 121/SC 4

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DIN EN ISO 15618-1	2016-12	Standards	Qualification testing of welders for underwater welding - Part 1: Hyperbaric wet welding (ISO 15618-1:2016); German version EN ISO 15618-1:2016 More	Order from DIN Media
DIN EN ISO 15618-2	2002-04	Standards	Approval testing of welders for under-water welding - Part 2: Diver-welders and welding operators for hyperbaric dry welding (ISO 15618-2:2001); German version EN ISO 15618-2:2001 More	Order from DIN Media
DIN EN ISO 17662	2026-05	Standards	Welding - Calibration, verification and validation of equipment used for welding, including ancillary activities (ISO 17662:2025); German version EN ISO 17662:2025 More	Order from DIN Media
DIN EN ISO 17663	2026-05	Standards	Welding - Quality requirements for heat treatment in connection with welding and allied processes (ISO 17663:2023); German version EN ISO 17663:2023 More	Order from DIN Media
DIN EN ISO 17779	2026-03	Draft standard	Brazing - Specification and qualification of brazing procedures for metallic materials (ISO/DIS 17779:2026); German and English version prEN ISO 17779:2026 More	Order from DIN Media
DIN EN ISO 17779	2026-02	Standards	Brazing - Specification and qualification of brazing procedures for metallic materials (ISO 17779:2021); German version EN ISO 17779:2025 More	Order from DIN Media
DIN EN ISO 18278-1	2023-06	Standards	Resistance welding - Weldability - Part 1: General requirements for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials (ISO 18278-1:2022); German version EN ISO 18278-1:2022 More	Order from DIN Media
DIN EN ISO 18278-2	2016-09	Standards	Resistance welding - Weldability - Part 2: Evaluation procedures for weldability in spot welding (ISO 18278-2:2016); German version EN ISO 18278-2:2016 More	Order from DIN Media
DIN EN ISO 18491	2025-05	Draft standard	Welding and allied processes - Measurement of arc energies (ISO/DIS 18491:2025); German and English version prEN ISO 18491:2025 More	Order from DIN Media
DIN EN ISO 18594	2007-06	Standards	Resistance spot-, projection- and seam-welding - Method for determining the transition resistance on aluminium and steel material (ISO 18594:2007); German version EN ISO 18594:2007 More	Order from DIN Media

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