DIN EN 23270:1991-09 Paints, varnishes and their raw materials; temperatures and humidities for conditioning and testing (ISO 3270:1984); german version EN 23270:1991
1991DIN EN 23270:1991-09 Paints, varnishes and their raw materials; temperatures and humidities for conditioning and testing (ISO 3270:1984); german version EN 23270:1991
1991DIN EN 23270:1991 Paints, varnishes and their raw materials; temperatures and humidities for conditioning and testing (ISO 3270:1984); german version EN 23270:1991