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Priority claimed from GB9413866Aexternal-prioritypatent/GB2290964A/en
Application filed by Arto Olavi Urtti, Marja Riitta Sutinen, Timo Petteri ParonenfiledCriticalArto Olavi Urtti
Priority to FI970053ApriorityCriticalpatent/FI970053A/sv
Publication of FI970053A0publicationCriticalpatent/FI970053A0/sv
Publication of FI970053ApublicationCriticalpatent/FI970053A/sv