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Publication date
Application filed by Valo V LfiledCriticalValo V L
Priority to FI721733ApriorityCriticalpatent/FI49470C/fi
Priority to DE19732317799prioritypatent/DE2317799C3/de
Priority to DD170353Aprioritypatent/DD103852A5/xx
Priority to PL1973163340Aprioritypatent/PL90074B1/pl
Priority to FR7321921Aprioritypatent/FR2188943B3/fr
Application grantedgrantedCritical
Publication of FI49470BpublicationCriticalpatent/FI49470B/fi
Publication of FI49470CpublicationCriticalpatent/FI49470C/fi