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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 121/WG 21

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Document number	Begin	Title	Comment
DIN EN ISO 17640	2024-11-28	Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessment (ISO/DIS 17640:2026); German and English version prEN ISO 17640:2026 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 121/WG 21

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