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Priority claimed from JP46101264Aexternal-prioritypatent/JPS5037016B2/ja
Priority claimed from JP47066787Aexternal-prioritypatent/JPS525292B2/ja
Priority claimed from JP47070233Aexternal-prioritypatent/JPS5116016B2/ja
Application filed by Akita KkfiledCriticalAkita Kk
Publication of IE37667LpublicationCriticalpatent/IE37667L/en
Publication of IE37667B1publicationCriticalpatent/IE37667B1/en