| Signature mark | NL 006/015 |
|---|---|
| Subject | Patentschrift (1) |
| Title | Patent des Kanadischen Patentamts für Heinrich Hildebrand |
| Contains | Methods and Devices for Varying Fly-Masses, 1922 |
| Duration | 1922 |
| Scope | 12 Bl. ms. u. gedr. |
| Subject area | Kraftmaschinen <520> |
| Formal information | Languages: Englisch |
| Rights notice | CC BY-SA 4.0 |