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Application filed by Arnold SchultefiledCriticalArnold Schulte
Priority to FI861933ApriorityCriticalpatent/FI75371C/fi
Publication of FI861933A0publicationCriticalpatent/FI861933A0/fi
Publication of FI861933ApublicationCriticalpatent/FI861933A/fi
Application grantedgrantedCritical
Publication of FI75371BpublicationCriticalpatent/FI75371B/fi
Publication of FI75371CpublicationCriticalpatent/FI75371C/fi