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Priority claimed from JP1940378Uexternal-prioritypatent/JPS564615Y2/ja
Priority claimed from JP2984678Aexternal-prioritypatent/JPS54123400A/ja
Priority claimed from JP1978105352Uexternal-prioritypatent/JPS5757391Y2/ja
Priority claimed from AT22079Aexternal-prioritypatent/AT367371B/de
Application filed by Toska Co Ltd, Japan Banok Co LtdfiledCriticalToska Co Ltd
Publication of ATA299081ApublicationCriticalpatent/ATA299081A/de
Application grantedgrantedCritical
Publication of AT368976BpublicationCriticalpatent/AT368976B/de