AU528131A - Improvements in or relating to sound recording blanks and methods of manufacture thereof - Google Patents

Improvements in or relating to sound recording blanks and methods of manufacture thereof

Info

Publication number
AU528131A
AU528131A AU5281/31A AU528131A AU528131A AU 528131 A AU528131 A AU 528131A AU 5281/31 A AU5281/31 A AU 5281/31A AU 528131 A AU528131 A AU 528131A AU 528131 A AU528131 A AU 528131A
Authority
AU
Australia
Prior art keywords
relating
manufacture
methods
sound recording
recording blanks
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
AU5281/31A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
Filing date
Publication date
Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of AU528131A publication Critical patent/AU528131A/en
Expired legal-status Critical Current

Links

AU5281/31A 1932-12-06 Improvements in or relating to sound recording blanks and methods of manufacture thereof Expired AU528131A (en)

Publications (1)

Publication Number Publication Date
AU528131A true AU528131A (en) 1932-12-15

Family

ID=

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