2023DIN EN ISO 17225-8:2023-07 Solid biofuels - Fuel specifications and classes - Part 8: Graded thermally treated and densified biomass fuels for commercial and industrial use (ISO 17225-8:2023); German version EN ISO 17225-8:2023
2022DIN EN ISO 17225-8:2022-06 Plant biostimulants - Determination of inorganic arsenic; German version CEN/TS 17706:2022