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Priority claimed from JP13384094Aexternal-prioritypatent/JP3339527B2/ja
Priority claimed from JP2739195Aexternal-prioritypatent/JP2963633B2/ja
Application filed by Takasuna Netsugaku Kogyo Kk, Nippon Flaekt KkfiledCriticalTakasuna Netsugaku Kogyo Kk
Application grantedgrantedCritical
Publication of TW345612BpublicationCriticalpatent/TW345612B/zh