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Priority claimed from SE8003256Aexternal-prioritypatent/SE8003256L/en
Priority claimed from SE8003253Aexternal-prioritypatent/SE431215B/en
Application filed by Ulf Sven Erik RothmanfiledCriticalUlf Sven Erik Rothman
Priority claimed from EP81901117Aexternal-prioritypatent/EP0050636B1/en
Application grantedgrantedCritical
Publication of ATE8740T1publicationCriticalpatent/ATE8740T1/en