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Priority to JP1976045298UpriorityCriticalpatent/JPS5650633Y2/ja
Priority to DE19777710478prioritypatent/DE7710478U1/de
Priority to DE19772714765prioritypatent/DE2714765A1/de
Priority to GB1506077Aprioritypatent/GB1552270A/en
Publication of JPS52136617UpublicationCriticalpatent/JPS52136617U/ja
Application grantedgrantedCritical
Publication of JPS5650633Y2publicationCriticalpatent/JPS5650633Y2/ja