BRAUN Calculator(限定復刻版) | AssistOn,Braun ET 22 calculator designed by Dieter Rams and Dietrich Lubs in 1976. No. 4955,Braun calculator,BRAUN Calculator(限定復刻版) | AssistOn,Braun ET 22 calculator designed by Dieter Rams and Dietrich Lubs in 1976. No. 4955