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Priority claimed from GB878718330Aexternal-prioritypatent/GB8718330D0/en
Priority claimed from GB878728582Aexternal-prioritypatent/GB8728582D0/en
Application filed by Albany Int CorpfiledCriticalAlbany Int Corp
Priority claimed from EP19880301381external-prioritypatent/EP0279677B1/de
Application grantedgrantedCritical
Publication of ATE89696T1publicationCriticalpatent/ATE89696T1/de