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Priority to JP1013173UpriorityCriticalpatent/JPS49112143U/ja
Priority to ES73416012Aprioritypatent/ES416012A1/es
Priority to DE19732329330prioritypatent/DE2329330C3/de
Priority to FR7321057Aprioritypatent/FR2214956B1/fr
Priority to IT5056373Aprioritypatent/IT986144B/it
Publication of JPS49112143UpublicationCriticalpatent/JPS49112143U/ja