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Application filed by Matti KarhumaekifiledCriticalMatti Karhumaeki
Priority to FI881555ApriorityCriticalpatent/FI86292C/fi
Publication of FI881555A0publicationCriticalpatent/FI881555A0/fi
Priority to FI892665Aprioritypatent/FI892665A/fi
Publication of FI881555ApublicationCriticalpatent/FI881555A/fi
Publication of FI86292BpublicationCriticalpatent/FI86292B/fi
Application grantedgrantedCritical
Publication of FI86292CpublicationCriticalpatent/FI86292C/fi