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Application filed by Jouko KettunenfiledCriticalJouko Kettunen
Priority to FI943758ApriorityCriticalpatent/FI102596B1/fi
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Publication of FI943758ApublicationCriticalpatent/FI943758A/fi
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Publication of FI102596BpublicationCriticalpatent/FI102596B/fi
Publication of FI102596B1publicationCriticalpatent/FI102596B1/fi