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Publication of BE513963ApublicationCriticalpatent/BE513963A/fr
Priority to DED29291UpriorityCriticalpatent/DE1902223U/de
Fibres à base de mélanges pvc/pvc chloré possèdant des propriétés mécaniques améliorées et files de fibres de ténacité améliorée obtenus à partir de ces fibres