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Priority claimed from FI970257Uexternal-prioritypatent/FIU970257U0/en
Application filed by Kalervo Pentti Joh HaukijaervifiledCriticalKalervo Pentti Joh Haukijaervi
Priority to FI980142UpriorityCriticalpatent/FI3679U1/en
Publication of FIU980142U0publicationCriticalpatent/FIU980142U0/en
Application grantedgrantedCritical
Publication of FI3679U1publicationCriticalpatent/FI3679U1/en