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.)
Radio Gramophone Development Co Ltd
Original Assignee
Radio Gramophone Development Co Ltd
Filing date
Publication date
Application filed by Radio Gramophone Development Co LtdfiledCriticalRadio Gramophone Development Co Ltd
Application grantedgrantedCritical
Publication of AU2713249ApublicationCriticalpatent/AU2713249A/en
Publication of AU148052B2publicationCriticalpatent/AU148052B2/en
AU27132/49A1949-04-21Improvements in apparatus for magnetic recording and reproducing of sound by means ofa travelling tape or wire
ExpiredAU148052B2
(en)