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Application filed by Paavo Antero ViikkifiledCriticalPaavo Antero Viikki
Priority to FI956132ApriorityCriticalpatent/FI956132A0/en
Publication of FI956132A0publicationCriticalpatent/FI956132A0/en
Priority to FI964165Aprioritypatent/FI100845B/en
Priority to GB9626129Aprioritypatent/GB2308286B/en
Priority to DE19653201Aprioritypatent/DE19653201A1/en