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Priority claimed from SE8603014Aexternal-prioritypatent/SE465680B/sv
Priority claimed from SE8604204Aexternal-prioritypatent/SE459673B/sv
Priority claimed from SE8700739Aexternal-prioritypatent/SE459596B/sv
Application filed by Thomas Kurt FraenningefiledCriticalThomas Kurt Fraenninge
Priority claimed from EP19870109512external-prioritypatent/EP0252435B1/de
Application grantedgrantedCritical
Publication of ATE61918T1publicationCriticalpatent/ATE61918T1/de