CEN/TC 249
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 83243 | prEN ISO 4638 rev | Polymeric materials, cellular flexible — Determination of air flow permeability | Izstrādē |
| 83244 | prEN ISO 4651 rev | Cellular rubbers and plastics — Determination of dynamic cushioning performance | Izstrādē |
| 83271 | prEN ISO 25867 | Plastics -- Method for artificial accelerated photoageing using medium-pressure mercury vapour lams | Izstrādē |
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