Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DKK-TOA Corp
Original Assignee
Toa Electronics Ltd
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
Application filed by Toa Electronics LtdfiledCriticalToa Electronics Ltd
Priority to JP8222775ApriorityCriticalpatent/JPS525598A/ja
Publication of JPS525598ApublicationCriticalpatent/JPS525598A/ja
Publication of JPS5347197B2publicationCriticalpatent/JPS5347197B2/ja