| Signature mark | NL 006/019 |
|---|---|
| Subject | Patentschrift (2) |
| Title | Patent des Spanischen Patentamts für Heinrich Hildebrand |
| Contains | Masa reguladora variable, 1921 Una motocicleta, 1922 |
| Duration | 1921 - 1922 |
| Scope | 15 Bl. ms. u. gedr. |
| Subject area | Krafträder <710.05>; Kraftmaschinen <520> |
| Formal information | Languages: Spanisch |
| Rights notice | CC BY-SA 4.0 |