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.)
Toa Corp
Original Assignee
Toa Corp
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 CorpfiledCriticalToa Corp
Priority to JP13896786UpriorityCriticalpatent/JPH075758Y2/ja
Publication of JPS6344589UpublicationCriticalpatent/JPS6344589U/ja
Application grantedgrantedCritical
Publication of JPH075758Y2publicationCriticalpatent/JPH075758Y2/ja
