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Application filed by Matti MertsalmifiledCriticalMatti Mertsalmi
Priority to FI840496ApriorityCriticalpatent/FI72290C/en
Publication of FI840496A0publicationCriticalpatent/FI840496A0/en
Publication of FI840496ApublicationCriticalpatent/FI840496A/en
Application grantedgrantedCritical
Publication of FI72290BpublicationCriticalpatent/FI72290B/en
Publication of FI72290CpublicationCriticalpatent/FI72290C/en