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Application filed by Jouni HyvaerinenfiledCriticalJouni Hyvaerinen
Priority to FI913679ApriorityCriticalpatent/FI91621C/fi
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Publication of FI913679ApublicationCriticalpatent/FI913679A/fi
Publication of FI91621BpublicationCriticalpatent/FI91621B/fi
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Publication of FI91621CpublicationCriticalpatent/FI91621C/fi