AU1892129A - Improvements in and relating to sound reproducing devices - Google Patents

Improvements in and relating to sound reproducing devices

Info

Publication number
AU1892129A
AU1892129A AU18921/29A AU1892129A AU1892129A AU 1892129 A AU1892129 A AU 1892129A AU 18921/29 A AU18921/29 A AU 18921/29A AU 1892129 A AU1892129 A AU 1892129A AU 1892129 A AU1892129 A AU 1892129A
Authority
AU
Australia
Prior art keywords
relating
sound reproducing
reproducing devices
devices
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
AU18921/29A
Inventor
Heather Johnson Douglas
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.)
CELESTION Ltd
Original Assignee
CELESTION Ltd
Filing date
Publication date
Application filed by CELESTION Ltd filed Critical CELESTION Ltd
Publication of AU1892129A publication Critical patent/AU1892129A/en
Expired legal-status Critical Current

Links

AU18921/29A 1929-03-15 Improvements in and relating to sound reproducing devices Expired AU1892129A (en)

Publications (1)

Publication Number Publication Date
AU1892129A true AU1892129A (en) 1930-02-18

Family

ID=

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