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 JP5088780Aexternal-prioritypatent/JPS56160182A/ja
Priority claimed from JP5688280Aexternal-prioritypatent/JPS56160154A/ja
Priority claimed from AT0175781Aexternal-prioritypatent/AT391046B/de
Application filed by Sony CorpfiledCriticalSony Corp
Priority to AT280088ApriorityCriticalpatent/ATA280088A/de
Publication of ATA280088ApublicationCriticalpatent/ATA280088A/de