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Priority claimed from FI851156Aexternal-prioritypatent/FI851156A0/fi
Priority claimed from FI860609Aexternal-prioritypatent/FI74750C/fi
Application filed by KeskuslaboratoriofiledCriticalKeskuslaboratorio
Application grantedgrantedCritical
Publication of ATE53613T1publicationCriticalpatent/ATE53613T1/de