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Application filed by Jules E B CollardfiledCriticalJules E B Collard
Priority to BE575474ApriorityCriticalpatent/BE575474A/fr
Publication of BE575474ApublicationCriticalpatent/BE575474A/fr
BE575474A1959-02-071959-02-07Appareil maintenant toujours en forme et à ecartement égal les plis des tentures quelque soit leur degre d'ouverture.
BE575474A
(fr)