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Application filed by Brita HeseliusfiledCriticalBrita Heselius
Priority to FI913921ApriorityCriticalpatent/FI86029C/en
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Publication of FI913921ApublicationCriticalpatent/FI913921A/en
Publication of FI86029BpublicationCriticalpatent/FI86029B/en
Application grantedgrantedCritical
Publication of FI86029CpublicationCriticalpatent/FI86029C/en