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Application filed by Kauko Antero HaukkafiledCriticalKauko Antero Haukka
Priority to FI865008ApriorityCriticalpatent/FI75625C/en
Publication of FI865008A0publicationCriticalpatent/FI865008A0/en
Publication of FI75625BpublicationCriticalpatent/FI75625B/en
Application grantedgrantedCritical
Publication of FI75625CpublicationCriticalpatent/FI75625C/en