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Priority claimed from SE8601441Aexternal-prioritypatent/SE451371B/en
Application filed by Harry Kihlberg, Paul Svensson, Christer Nilsson, Ericsson Karl Gustav, Leif Jilken, Jan BaecklundfiledCriticalHarry Kihlberg
Application grantedgrantedCritical
Publication of ATE60281T1publicationCriticalpatent/ATE60281T1/en