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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 ISO/TC 71/SC 1/WG 4

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ISO 20290-1	2021-11	Standards	Aggregates for concrete - Test methods for mechanical and physical properties - Part 1: Determination of bulk density, particle density, particle mass-per-volume and water absorption More	Order from DIN Media
ISO 20290-2	2019-11	Standards	Aggregates for concrete - Test methods for mechanical and physical properties - Part 2: Method for determination of resistance to fragmentation by Los Angeles Test (LA-Test) More	Order from DIN Media
ISO 20290-3	2019-11	Standards	Aggregates for concrete - Test methods for mechanical and physical properties - Part 3: Determination of aggregate crushing value (ACV) More	Order from DIN Media
ISO 20290-4	2019-11	Standards	Aggregates for concrete - Test methods for mechanical and physical properties - Part 4: Determination of ten percent fines value (TFV) More	Order from DIN Media
ISO 20290-5	2023-02	Standards	Aggregates for concrete - Test methods for mechanical and physical properties - Part 5: Determination of particle size distribution by sieving method More	Order from DIN Media
ISO 24684-2	2023-01	Standards	Aggregates for concrete - Test methods for chemical properties - Part 2: Determination of soluble sulfate salts More	Order from DIN Media

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