AU138702B2 - Improvements in or relating to sound recording and reproducing devices - Google Patents

Improvements in or relating to sound recording and reproducing devices

Info

Publication number
AU138702B2
AU138702B2 AU12173/47A AU1217347A AU138702B2 AU 138702 B2 AU138702 B2 AU 138702B2 AU 12173/47 A AU12173/47 A AU 12173/47A AU 1217347 A AU1217347 A AU 1217347A AU 138702 B2 AU138702 B2 AU 138702B2
Authority
AU
Australia
Prior art keywords
relating
sound recording
reproducing devices
reproducing
devices
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
AU12173/47A
Other versions
AU1217347A (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.)
Armour Research Foundation
Original Assignee
Armour Research Foundation
Filing date
Publication date
Application filed by Armour Research Foundation filed Critical Armour Research Foundation
Application granted granted Critical
Publication of AU138702B2 publication Critical patent/AU138702B2/en
Publication of AU1217347A publication Critical patent/AU1217347A/en
Expired legal-status Critical Current

Links

AU12173/47A 1947-05-16 Improvements in or relating to sound recording and reproducing devices Expired AU138702B2 (en)

Publications (2)

Publication Number Publication Date
AU138702B2 true AU138702B2 (en) 1947-06-12
AU1217347A AU1217347A (en) 1947-06-12

Family

ID=

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