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Priority to JP1971044492UpriorityCriticalpatent/JPS5136521Y2/ja
Priority to DE19722225962prioritypatent/DE2225962C3/de
Publication of JPS483140UpublicationCriticalpatent/JPS483140U/ja
Application grantedgrantedCritical
Publication of JPS5136521Y2publicationCriticalpatent/JPS5136521Y2/ja
