CH431572A - Dispositif d'avance du ruban pour machine à écrire à espacement variable
- Google Patents
Dispositif d'avance du ruban pour machine à écrire à espacement variable
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Publication number
CH431572A
CH431572ACH827766ACH827766ACH431572ACH 431572 ACH431572 ACH 431572ACH 827766 ACH827766 ACH 827766ACH 827766 ACH827766 ACH 827766ACH 431572 ACH431572 ACH 431572A
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Application filed by Olivetti & Co SpafiledCriticalOlivetti & Co Spa
Publication of CH431572ApublicationCriticalpatent/CH431572A/fr