问:哪里下载ISO 12625-16 2015 Tissue paper and tissue products — Part 16 Determination of optical properties — Opacity (paper backing) — Diffuse reflectance method答:请联系微信:siduwenku
ISO 12625-16 2015 Tissue paper and tissue products — Part 16 Determination of optical properties — Opacity (paper backing) — Diffuse reflectance method