Optics and photonics - Lasers and laser-related equipment - Test methods for specular reflectance and regular transmittance of optical laser components (ISO 13697:2006); German version EN ISO 13697:2006— 22 стр.
Cleanrooms and associated controlled environments - Part 1: Classification of air cleanliness (ISO 14644-1:1999); German version EN ISO 14644-1:1999— 17 стр.
