Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE631270ApublicationCriticalpatent/BE631270A/fr
Priority claimed from FR931929Aexternal-prioritypatent/FR1353908A/fr
Dispositif comportant au moins une lame d'elimination d'impuretes, destine a une carde, une machine de nettoyage ou une machine analogue pour fibres de coton