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Priority claimed from NL8002023Aexternal-prioritypatent/NL8002023A/nl
Priority claimed from NL8004377Aexternal-prioritypatent/NL8004377A/nl
Application filed by StamicarbonfiledCriticalStamicarbon
Priority claimed from EP81200355Aexternal-prioritypatent/EP0037608B1/de
Application grantedgrantedCritical
Publication of ATE12121T1publicationCriticalpatent/ATE12121T1/de