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Application filed by Jorma PohjolafiledCriticalJorma Pohjola
Priority to FI870396ApriorityCriticalpatent/FI77193C/en
Publication of FI870396A0publicationCriticalpatent/FI870396A0/en
Publication of FI870396ApublicationCriticalpatent/FI870396A/en
Application grantedgrantedCritical
Publication of FI77193BpublicationCriticalpatent/FI77193B/en
Publication of FI77193CpublicationCriticalpatent/FI77193C/en