AU152221B2 - Improvements relating to sound recording or reproducing apparatus - Google Patents

Improvements relating to sound recording or reproducing apparatus

Info

Publication number
AU152221B2
AU152221B2 AU31309/49A AU3130949A AU152221B2 AU 152221 B2 AU152221 B2 AU 152221B2 AU 31309/49 A AU31309/49 A AU 31309/49A AU 3130949 A AU3130949 A AU 3130949A AU 152221 B2 AU152221 B2 AU 152221B2
Authority
AU
Australia
Prior art keywords
reproducing apparatus
sound recording
improvements relating
relating
sound
Prior art date
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.)
Expired
Application number
AU31309/49A
Other versions
AU3130949A (en
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.)
Electrical and Musical Industries Ltd
Original Assignee
Electrical and Musical Industries Ltd
Filing date
Publication date
Application filed by Electrical and Musical Industries Ltd filed Critical Electrical and Musical Industries Ltd
Application granted granted Critical
Publication of AU3130949A publication Critical patent/AU3130949A/en
Publication of AU152221B2 publication Critical patent/AU152221B2/en
Expired legal-status Critical Current

Links

AU31309/49A 1949-11-29 Improvements relating to sound recording or reproducing apparatus Expired AU152221B2 (en)

Publications (2)

Publication Number Publication Date
AU3130949A AU3130949A (en) 1950-02-02
AU152221B2 true AU152221B2 (en) 1950-02-02

Family

ID=

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