Geometrical product specifications (GPS) - Filtration - Part 20: Linear profile filters: Basic concepts (ISO/DIS 16610-20:2012); German version prEN ISO 16610-20:2012
Geometrical product specifications (GPS) - Filtration - Part 20: Linear profile filters: Basic concepts (ISO 16610-20:2015); German version EN ISO 16610-20:2015— 20 стр.