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.)
Gakken Holdings Co Ltd
Original Assignee
Gakken Co 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
Priority claimed from JP2761075Aexternal-prioritypatent/JPS5637632B2/ja
Application filed by Gakken Co LtdfiledCriticalGakken Co Ltd
Application grantedgrantedCritical
Publication of AU491388B2publicationCriticalpatent/AU491388B2/en
Publication of AU8551775ApublicationCriticalpatent/AU8551775A/en
AU85517/75A1975-03-081975-10-07Electric control system for magnetic sheet recording and reproducing apparatus for audiovisual instruction
ExpiredAU491388B2
(en)