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Priority to JP47075455ApriorityCriticalpatent/JPS5235007B2/ja
Priority to JP8858272Uprioritypatent/JPS4944809U/ja
Priority to JP47080472Aprioritypatent/JPS5249401B2/ja
Priority to US382387Aprioritypatent/US3861597A/en
Priority to DE19732337704prioritypatent/DE2337704A1/de
Priority to IT27121/73Aprioritypatent/IT992710B/it
Publication of JPS4944809UpublicationCriticalpatent/JPS4944809U/ja