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AU232121B2 - Improvements to recording instruments - Google Patents
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AU232121B2 - Improvements to recording instruments - Google Patents

Improvements to recording instruments

Info

Publication number
AU232121B2
AU232121B2 AU33887/57A AU3388757A AU232121B2 AU 232121 B2 AU232121 B2 AU 232121B2 AU 33887/57 A AU33887/57 A AU 33887/57A AU 3388757 A AU3388757 A AU 3388757A AU 232121 B2 AU232121 B2 AU 232121B2
Authority
AU
Australia
Prior art keywords
recording instruments
instruments
recording
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
AU33887/57A
Other versions
AU3388757A (en
Inventor
Meredith Oliphant Keith
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.)
Watson Victor Ltd
Original Assignee
Watson Victor Ltd
Filing date
Publication date
Application filed by Watson Victor Ltd filed Critical Watson Victor Ltd
Application granted granted Critical
Publication of AU3388757A publication Critical patent/AU3388757A/en
Publication of AU232121B2 publication Critical patent/AU232121B2/en
Expired legal-status Critical Current

Links

AU33887/57A 1957-12-17 Improvements to recording instruments Expired AU232121B2 (en)

Publications (2)

Publication Number Publication Date
AU3388757A AU3388757A (en) 1959-06-18
AU232121B2 true AU232121B2 (en) 1959-06-18

Family

ID=

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