DIN EN ISO 12625-15:2022-02
草案 薄紙和薄紙產品 第15部分:光學特性的測定 使用 C/2°(室內日光)光源測量亮度和顏色(ISO/DIS 12625-15:2022)
Draft Document - Tissue paper and tissue products - Part 15: Determination of optical properties - Measurement of brightness and colour with C/2° (indoor daylight) illuminant (ISO/DIS 12625-15:2022); German and English version prEN ISO 12625-15:2022