2022DIN EN ISO 29461-1:2022-04 Air intake filter systems for rotary machinery - Test methods - Part 1: Static filter elements (ISO 29461-1:2021); German version EN ISO 29461-1:2021
2022DIN EN ISO 29461-1:2022 Intake filter systems of rotary machines – Test methods – Part 1: Static filter elements
2021DIN EN ISO 29461-1:2021 Air intake filter systems for rotary machinery - Test methods - Part 1: Static filter elements (ISO/DIS 29461-1:2020); German and English version prEN ISO 29461-1:2020
2014DIN EN ISO 29461-1:2014 Air intake filter systems for rotary machinery - Test methods - Part 1: Static filter elements (ISO 29461-1:2013); German version EN ISO 29461-1:2013