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Application filed by Risto Heikki PitkaenenfiledCriticalRisto Heikki Pitkaenen
Priority to FI911488ApriorityCriticalpatent/FI911488A/fi
Publication of FI911488A0publicationCriticalpatent/FI911488A0/fi
Priority to SE9200923Aprioritypatent/SE9200923L/
Priority to FR9211517Aprioritypatent/FR2696122B1/fr
Publication of FI911488ApublicationCriticalpatent/FI911488A/fi