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Application filed by Kari Vilho Juhani Waarna, Yrjoe Veli Olavi WaarnafiledCriticalKari Vilho Juhani Waarna
Priority to FI841985ApriorityCriticalpatent/FI841985A/en
Publication of FI841985A0publicationCriticalpatent/FI841985A0/en
Publication of FI841985ApublicationCriticalpatent/FI841985A/en