High-efficiency filters and filter media for removing particles in air - Part 5: Test method for filter elements (ISO 29463-5:2011); German and English version prEN 29463-5:2018
High-efficiency filters and filter media for removing particles in air - Part 5: Test method for filter elements (ISO 29463-5:2011); German version EN ISO 29463-5:2018— 33 стр.