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Priority claimed from FI980378Uexternal-prioritypatent/FIU980378U0/en
Priority claimed from FI980379Uexternal-prioritypatent/FIU980379U0/en
Application filed by Kari Antero Soederlund, Hannu Kalevi KemppinenfiledCriticalKari Antero Soederlund
Publication of FIU990116U0publicationCriticalpatent/FIU990116U0/en
Application grantedgrantedCritical
Publication of FI4001U1publicationCriticalpatent/FI4001U1/en