UNE-EN ISO 16610-61:2015 Geometrical product specification (GPS) - Filtration - Part 61: Linear areal filters - Gaussian filters (ISO 16610-61:2015) (Endorsed by AENOR in September of 2015.)
2020UNE-EN ISO 16610-61:2015/A1:2020 Geometrical product specification (GPS) - Filtration - Part 61: Linear areal filters - Gaussian filters - Amendment 1 (ISO 16610-61:2015/Amd 1:2019) (Endorsed by Asociación Española de Normalización in February of 2020.)
2015UNE-EN ISO 16610-61:2015 Geometrical product specification (GPS) - Filtration - Part 61: Linear areal filters - Gaussian filters (ISO 16610-61:2015) (Endorsed by AENOR in September of 2015.)