AU112755B2 - Improvements in or relating to electro-acoustic devices - Google Patents

Improvements in or relating to electro-acoustic devices

Info

Publication number
AU112755B2
AU112755B2 AU1151/40A AU115140A AU112755B2 AU 112755 B2 AU112755 B2 AU 112755B2 AU 1151/40 A AU1151/40 A AU 1151/40A AU 115140 A AU115140 A AU 115140A AU 112755 B2 AU112755 B2 AU 112755B2
Authority
AU
Australia
Prior art keywords
electro
relating
acoustic devices
acoustic
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
AU1151/40A
Other versions
AU115140A (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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU115140A publication Critical patent/AU115140A/en
Publication of AU112755B2 publication Critical patent/AU112755B2/en
Expired legal-status Critical Current

Links

AU1151/40A 1940-03-21 Improvements in or relating to electro-acoustic devices Expired AU112755B2 (en)

Publications (2)

Publication Number Publication Date
AU115140A AU115140A (en) 1941-04-03
AU112755B2 true AU112755B2 (en) 1941-04-03

Family

ID=

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