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Priority claimed from JP50117469Aexternal-prioritypatent/JPS5939713B2/en
Priority claimed from JP50153728Aexternal-prioritypatent/JPS6026989B2/en
Priority claimed from JP9834476Uexternal-prioritypatent/JPS5317259U/ja
Application filed by Seikosha KkfiledCriticalSeikosha Kk
Publication of HK43981ApublicationCriticalpatent/HK43981A/en