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Application filed by Toimi HakkarainenfiledCriticalToimi Hakkarainen
Priority to FI952759ApriorityCriticalpatent/FI98484C/sv
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Publication of FI952759ApublicationCriticalpatent/FI952759A/sv
Publication of FI98484BpublicationCriticalpatent/FI98484B/sv
Application grantedgrantedCritical
Publication of FI98484CpublicationCriticalpatent/FI98484C/sv