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Priority claimed from SE8703644Aexternal-prioritypatent/SE8703644D0/en
Priority claimed from SE8801511Aexternal-prioritypatent/SE8801511L/en
Application filed by Lars Ake Hilmer HakanssonfiledCriticalLars Ake Hilmer Hakansson
Application grantedgrantedCritical
Publication of ATE88224T1publicationCriticalpatent/ATE88224T1/en