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Priority claimed from JP19639893Aexternal-prioritypatent/JP2756075B2/en
Application filed by 三菱电机株式会社filedCritical三菱电机株式会社
Publication of HK1004032A1publicationCriticalpatent/HK1004032A1/en
Publication of HK1004032BpublicationCriticalpatent/HK1004032B/en