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Application filed by Antti Kalevi LammifiledCriticalAntti Kalevi Lammi
Priority to FI932606ApriorityCriticalpatent/FI98470C/fi
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Publication of FI932606ApublicationCriticalpatent/FI932606A/fi
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Publication of FI98470BpublicationCriticalpatent/FI98470B/fi
Publication of FI98470CpublicationCriticalpatent/FI98470C/fi