Patent
Suchergebnisse für: CBR CBR
- Patent:AT102625B 01.10.1924 Bergmann, Jean (P) : Rechenvorrichtung
- Patent:AT98801b 03.09.1923 Bergmann, Jean (P) : Addiervorrichtung
- Patent:CH134669 15.08.1929 Bergmann, Jean (P) : Rechenvorrichtung.
- Patent:GB203699 05.09.1922 Bergmann, Jean (P) Bergmann Universal Ges. (P), CBR (P) : Cases convertible into supports (for an adding-device)
- Patent:GB223227 09.10.1923 Bergmann, Jean (P) Bergmann Universal Ges. (P), CBR (P) : Adding and subtracting apparatus
- Patent:GB233640 06.10.1924 Bergmann, Jean (P) CBR (P) : Adding and subtracting apparatus; transfermechanism