Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP6180009Aexternal-prioritypatent/JP2900799B2/ja
Priority claimed from JP06187480Aexternal-prioritypatent/JP3116734B2/ja
Application filed by Matsushita Electric Ind Co LtdfiledCriticalMatsushita Electric Ind Co Ltd
Application grantedgrantedCritical
Publication of TW290670BpublicationCriticalpatent/TW290670B/zh