CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 82883 | prEN ISO 10693 rev | Soil quality — Determination of carbonate content — Volumetric method | Izstrādē |
| 83080 | prEN ISO 25177 rev | Soil quality — Field soil description | Izstrādē |
| 83081 | prEN ISO 11074 rev | Soil quality — Vocabulary | Izstrādē |
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