CH443726A - Dispositif d'entrée de données, notamment pour machine comptable
- Google Patents
Dispositif d'entrée de données, notamment pour machine comptable
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Publication number
CH443726A
CH443726ACH900066ACH900066ACH443726ACH 443726 ACH443726 ACH 443726ACH 900066 ACH900066 ACH 900066ACH 900066 ACH900066 ACH 900066ACH 443726 ACH443726 ACH 443726A
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Application filed by Ncr CofiledCriticalNcr Co
Publication of CH443726ApublicationCriticalpatent/CH443726A/fr