AU1767929A - Improvements in or relating to acoustic devices - Google Patents

Improvements in or relating to acoustic devices

Info

Publication number
AU1767929A
AU1767929A AU17679/29A AU1767929A AU1767929A AU 1767929 A AU1767929 A AU 1767929A AU 17679/29 A AU17679/29 A AU 17679/29A AU 1767929 A AU1767929 A AU 1767929A AU 1767929 A AU1767929 A AU 1767929A
Authority
AU
Australia
Prior art keywords
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
AU17679/29A
Inventor
Joseph Round Henry
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 date
Application filed by Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of AU1767929A publication Critical patent/AU1767929A/en
Expired legal-status Critical Current

Links

AU17679/29A 1929-01-07 Improvements in or relating to acoustic devices Expired AU1767929A (en)

Publications (1)

Publication Number Publication Date
AU1767929A true AU1767929A (en) 1930-01-14

Family

ID=

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