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AU112763B2 - Improvements in and relating to installations for emitting soundwaves and receiving the echoes thereof - Google Patents
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AU112763B2 - Improvements in and relating to installations for emitting soundwaves and receiving the echoes thereof - Google Patents

Improvements in and relating to installations for emitting soundwaves and receiving the echoes thereof

Info

Publication number
AU112763B2
AU112763B2 AU3273/40A AU327340A AU112763B2 AU 112763 B2 AU112763 B2 AU 112763B2 AU 3273/40 A AU3273/40 A AU 3273/40A AU 327340 A AU327340 A AU 327340A AU 112763 B2 AU112763 B2 AU 112763B2
Authority
AU
Australia
Prior art keywords
echoes
installations
relating
receiving
soundwaves
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
AU3273/40A
Inventor
Donald Ore Sproule Arthur Joseph Hughes
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.)
Individual
Original Assignee
Individual
Filing date
Publication of AU112763B2 publication Critical patent/AU112763B2/en
Application filed by Individual filed Critical Individual
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU3273/40A 1941-03-18 Improvements in and relating to installations for emitting soundwaves and receiving the echoes thereof Expired - Lifetime AU112763B2 (en)

Publications (1)

Publication Number Publication Date
AU112763B2 true AU112763B2 (en)

Family

ID=

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