GWSW Ontologie
| Naam | Niet bekend (richting vloeistofstroom)  |
Not known (flow direction)  |
| URI | AAKc |
| Codering | C |
| Definitie extern | [EN13508-2+A1] the normal direction of flow is not known |
| [EN13508-2+A1] De normale richting van de vloeistofstroom is niet bekend |
| Is type | Direction of inspection (coll) |