| Signature mark | NL 006/010 |
|---|---|
| Subject | Patentschrift (1) |
| Title | Patent des Luxemburgischen Patentamts für Heinrich Hildebrand |
| Contains | Masses centrifuges variables formant volant, 1921 |
| Duration | 1921 |
| Scope | 9 Bl. hs. |
| Subject area | Krafträder <710.05>; Kraftmaschinen <520> |
| Formal information | Languages: Französisch |
| Rights notice | CC BY-SA 4.0 |