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Priority claimed from JP57111778Aexternal-prioritypatent/JPS6022072B2/ja
Application filed by Permelec Electrode LtdfiledCriticalPermelec Electrode Ltd
Priority to IN717/CAL/83ApriorityCriticalpatent/IN159552B/en
Publication of IN159552BpublicationCriticalpatent/IN159552B/en