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Priority to JP1349073ApriorityCriticalpatent/JPS49101605A/ja
Priority to GB3269573Aprioritypatent/GB1439514A/en
Priority to FR7325887Aprioritypatent/FR2192910B1/fr
Priority to DE19732335754prioritypatent/DE2335754A1/de
Priority to IT2657973Aprioritypatent/IT991184B/it
Publication of JPS49101605ApublicationCriticalpatent/JPS49101605A/ja