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AU112414B2 - Improvements in or relating to electro-acoustic apparatus - Google Patents
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AU112414B2 - Improvements in or relating to electro-acoustic apparatus - Google Patents

Improvements in or relating to electro-acoustic apparatus

Info

Publication number
AU112414B2
AU112414B2 AU4864/39A AU486439A AU112414B2 AU 112414 B2 AU112414 B2 AU 112414B2 AU 4864/39 A AU4864/39 A AU 4864/39A AU 486439 A AU486439 A AU 486439A AU 112414 B2 AU112414 B2 AU 112414B2
Authority
AU
Australia
Prior art keywords
electro
relating
acoustic apparatus
acoustic
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 - Lifetime
Application number
AU4864/39A
Inventor
Ferdinand Olson Harry
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Filing date
Publication of AU112414B2 publication Critical patent/AU112414B2/en
Application filed by Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU4864/39A 1939-10-28 Improvements in or relating to electro-acoustic apparatus Expired - Lifetime AU112414B2 (en)

Publications (1)

Publication Number Publication Date
AU112414B2 true AU112414B2 (en)

Family

ID=

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