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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 142/WG 4

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DIN CEN ISO/TS 21083-2 ; DIN SPEC 3688:2019-11	2019-11	Technical Specification	Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019); German version CEN ISO/TS 21083-2:2019 More	Order from Beuth Verlag
DIN EN ISO 21083-1	2019-09	Standards	Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm (ISO 21083-1:2018); German version EN ISO 21083-1:2018 More	Order from Beuth Verlag
DIN EN ISO 29463-5	2022-10	Standards	High-efficiency filters and filter media for removing particles in air - Part 5: Test method for filter elements (ISO 29463-5:2022); German version EN ISO 29463-5:2022 More	Order from Beuth Verlag
ISO/TS 21083-2	2019-03	Pre-standard	Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm More	Order from Beuth Verlag
ISO 21083-1	2018-11	Standards	Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm More	Order from Beuth Verlag
ISO 29463-1	2017-09	Standards	High efficiency filters and filter media for removing particles from air - Part 1: Classification, performance, testing and marking More	Order from Beuth Verlag
ISO 29463-5	2022-03	Standards	High-efficiency filters and filter media for removing particles in air - Part 5: Test method for filter elements More	Order from Beuth Verlag

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