DIN EN 50121-3-1/A1-2020 实施日期:2020-05-01 现 行 英文名:Railway applications - Electromagnetic compatibility - Part 3-1: Rolling stock - Train and complete vehicle
DIN EN 16214-1-2020 实施日期:2020-02-01 现 行 英文名:Sustainability criteria for the production of biofuels and bioliquids for energy applications - Principles, criteria, indicat