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Priority claimed from SE8406386Aexternal-prioritypatent/SE8406386D0/en
Application filed by Sten Hugo Nils Ahlbom, Bo Erik Kennedy, Bo Nils AkerlindfiledCriticalSten Hugo Nils Ahlbom
Priority claimed from EP86900334Aexternal-prioritypatent/EP0233888B1/en
Application grantedgrantedCritical
Publication of ATE59106T1publicationCriticalpatent/ATE59106T1/en