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Priority claimed from JP2154768Aexternal-prioritypatent/JPH0447484A/en
Application filed by Matsushita Electric Ind Co LtdfiledCriticalMatsushita Electric Ind Co Ltd
Priority to SG179594ApriorityCriticalpatent/SG179594G/en
Publication of SG179594GpublicationCriticalpatent/SG179594G/en