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Application filed by Tom GoveniusfiledCriticalTom Govenius
Priority to FI850879ApriorityCriticalpatent/FI72031C/en
Publication of FI850879A0publicationCriticalpatent/FI850879A0/en
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Publication of FI72031BpublicationCriticalpatent/FI72031B/en
Application grantedgrantedCritical
Publication of FI72031CpublicationCriticalpatent/FI72031C/en