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Application filed by Kauko Armas TakalofiledCriticalKauko Armas Takalo
Priority to FI890638ApriorityCriticalpatent/FI890638A/en
Publication of FI890638A0publicationCriticalpatent/FI890638A0/en
Publication of FI890638ApublicationCriticalpatent/FI890638A/en