G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
Elektrische tuimelhefboomschakelaar met door een venster in het bedieningsorgaan zichtbare, op een tweede tuimelaar aangebrachte standindicatiemerktekens.
Dispositif electronique a fonction unique de conversion de valeur d'une devise a une autre devise et ensemble de poche equipe d'un tel dispositif formant support publicitaire