Tissue paper and tissue products - Part 15: Determination of optical properties - Measurements of brightness and colour with C/2° (indoor daylight) (ISO/DIS 12625-15:2013); German version prEN ISO 12625-15:2013
Tissue paper and tissue products - Part 15: Determination of optical properties - Measurement of brightness and colour with C/2° (indoor daylight) illuminant (ISO 12625-15:2015); German version EN ISO 12625-15:2015— 18 стр.
