Paper, board and pulps -- International calibration of testing apparatus -- Nomination and acceptance of standardizing and authorized laboratories— 16 стр.
Paper, board and pulps -- General requirements for the competence of laboratories authorized for the issue of optical reference transfer standards of level 3— 40 стр.
Tissue paper and tissue products - Part 16: Determination of optical properties - Opacity (paper backing) - Diffuse reflectance method (ISO 12625-16:2015); German version EN ISO 12625-16:2015— 17 стр.
Paper, board and pulps -- General requirements for the competence of laboratories authorized for the issue of optical reference transfer standards of level 3— 40 стр.
