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Application filed by Kufferath Andreas FafiledCriticalKufferath Andreas Fa
Priority to AT1067268ApriorityCriticalpatent/AT288141B/de
Priority to DE19691946376prioritypatent/DE1946376C2/de
Priority to GB4692169Aprioritypatent/GB1280024A/en
Priority to FR6932533Aprioritypatent/FR2018837A1/fr
Application grantedgrantedCritical
Publication of AT288141BpublicationCriticalpatent/AT288141B/de