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Application filed by Wiik & HoeglundfiledCriticalWiik & Hoeglund
Priority to FI871386ApriorityCriticalpatent/FI79970C/en
Publication of FI871386A0publicationCriticalpatent/FI871386A0/en
Publication of FI871386ApublicationCriticalpatent/FI871386A/en
Application grantedgrantedCritical
Publication of FI79970BpublicationCriticalpatent/FI79970B/en
Publication of FI79970CpublicationCriticalpatent/FI79970C/en