1. Tissue paper and tissue products. Determination of optical properties. Measurement of brightness and colour with C/2° (indoor daylight) illuminant Part 15, (29th November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Tracked Changes. Tissue paper and tissue products. Part 15. Determination of optical properties. Measurement of brightness and colour with C/2° (indoor daylight) illuminant Part 15, (1st December 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗