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Priority claimed from JP14340581Aexternal-prioritypatent/JPS5846482A/ja
Priority claimed from JP17175281Aexternal-prioritypatent/JPS5872281A/ja
Application filed by Dai Ichi Seiko Co LtdfiledCriticalDai Ichi Seiko Co Ltd
Priority claimed from EP82304728Aexternal-prioritypatent/EP0074797B1/de
Application grantedgrantedCritical
Publication of ATE26351T1publicationCriticalpatent/ATE26351T1/de