Anglais | Allemand | |
---|---|---|
Patent | ||
Patent | rotary-piston machine or engine | Rotationskolbenmaschine |
Patent | rotary-piston machine or engine | Maschine für Flüssigkeiten |
Anglais | Allemand | |
---|---|---|
Patent | ||
Patent | tubular-type rotary-piston machine or engine | Schlauchmaschine |