Legal status (The legal status 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 status listed.)
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.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR984848ApublicationCriticalpatent/FR984848A/fr
Procédé et appareillage perfectionnés pour la fabrication de plaques ou bandes à empreintes multiples au moyen de feuilles minées en matière plastique.