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Priority to JP8425371UpriorityCriticalpatent/JPS568141Y2/ja
Priority to DE19722245397prioritypatent/DE2245397C3/de
Priority to FR7232812Aprioritypatent/FR2153046B1/fr
Publication of JPS4841145UpublicationCriticalpatent/JPS4841145U/ja
Application grantedgrantedCritical
Publication of JPS568141Y2publicationCriticalpatent/JPS568141Y2/ja