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Application filed by Joseph GrignetfiledCriticalJoseph Grignet
Priority to BE578639ApriorityCriticalpatent/BE578639R/fr
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BE578639A1959-05-121959-05-12Appareil électronique pour calculer et enregistrer la courbe B(L)caractéristique de la régularité d'un fil textile
BE578639R
(fr)