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AU16531A - Improvements in or relating to sound recording apparatus and arrangements for use therewith - Google Patents

Improvements in or relating to sound recording apparatus and arrangements for use therewith

Info

Publication number
AU16531A
AU16531A AU165/31A AU16531A AU16531A AU 16531 A AU16531 A AU 16531A AU 165/31 A AU165/31 A AU 165/31A AU 16531 A AU16531 A AU 16531A AU 16531 A AU16531 A AU 16531A
Authority
AU
Australia
Prior art keywords
arrangements
relating
recording apparatus
sound recording
use therewith
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
AU165/31A
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 AU16531A publication Critical patent/AU16531A/en
Expired legal-status Critical Current

Links

AU165/31A 1931-01-12 Improvements in or relating to sound recording apparatus and arrangements for use therewith Expired AU16531A (en)

Publications (1)

Publication Number Publication Date
AU16531A true AU16531A (en) 1932-01-21

Family

ID=

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