DIN EN ISO 16610-20:2015 几何产品技术规范(GPS).过滤.第20部分:线性剖面过滤器:基本概念(ISO 16610-20-2015);德文版本EN ISO 16610-20-2015
Geometrical product specifications (GPS) - Filtration - Part 20: Linear profile filters: Basic concepts (ISO 16610-20:2015); German version EN ISO 16610-20:2015