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Application filed by Timo Pellervo LehtinenfiledCriticalTimo Pellervo Lehtinen
Priority to FI46273ApriorityCriticalpatent/FI49598C/en
Priority to DE19742406089prioritypatent/DE2406089A1/en
Priority to GB686474Aprioritypatent/GB1437155A/en
Publication of FI49598BpublicationCriticalpatent/FI49598B/fi
Application grantedgrantedCritical
Publication of FI49598CpublicationCriticalpatent/FI49598C/en