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Priority claimed from FR7822359Aexternal-prioritypatent/FR2431911A1/fr
Priority claimed from FR7908442Aexternal-prioritypatent/FR2453012A2/fr
Priority claimed from FR7917327Aexternal-prioritypatent/FR2460196A2/fr
Application filed by Societe De Transformation Des Matieres PlastiquesfiledCriticalSociete De Transformation Des Matieres Plastiques
Priority claimed from EP79400529Aexternal-prioritypatent/EP0008964B1/de
Application grantedgrantedCritical
Publication of ATE1272T1publicationCriticalpatent/ATE1272T1/de