CEN/TC 289
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 65515 | prEN ISO 17075-3 | Leather – Chemical determination of chromium (VI) content in leather – Part 3: Thermal pre-ageing of leather and determination of hexavalent chromium | Izstrādē |
| 41828 | EN ISO 4044:2017 | Leather - Chemical tests - Preparation of chemical test samples (ISO/DIS 4044:2015) | Izstrādē |
| 81255 | prEN ISO 17075-1 rev | Leather — Chemical determination of chromium(VI) content in leather — Part 1: Colorimetric method | Izstrādē |
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