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Application filed by Veikko Antero SolonenfiledCriticalVeikko Antero Solonen
Priority to FI972602ApriorityCriticalpatent/FI105461B/fi
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Publication of FI972602ApublicationCriticalpatent/FI972602A/fi
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Publication of FI105461BpublicationCriticalpatent/FI105461B/fi