AU2276629A - Improvements in or relating to electrical recording devices - Google Patents

Improvements in or relating to electrical recording devices

Info

Publication number
AU2276629A
AU2276629A AU22766/29A AU2276629A AU2276629A AU 2276629 A AU2276629 A AU 2276629A AU 22766/29 A AU22766/29 A AU 22766/29A AU 2276629 A AU2276629 A AU 2276629A AU 2276629 A AU2276629 A AU 2276629A
Authority
AU
Australia
Prior art keywords
relating
recording devices
electrical recording
electrical
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
AU22766/29A
Filing date
Publication date
Application filed filed Critical
Publication of AU2276629A publication Critical patent/AU2276629A/en
Expired legal-status Critical Current

Links

AU22766/29A 1929-09-30 Improvements in or relating to electrical recording devices Expired AU2276629A (en)

Publications (1)

Publication Number Publication Date
AU2276629A true AU2276629A (en) 1930-10-14

Family

ID=

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