AU70721A - Improvements in and relating to sound reproducing machines - Google Patents

Improvements in and relating to sound reproducing machines

Info

Publication number
AU70721A
AU70721A AU707/21A AU70721A AU70721A AU 70721 A AU70721 A AU 70721A AU 707/21 A AU707/21 A AU 707/21A AU 70721 A AU70721 A AU 70721A AU 70721 A AU70721 A AU 70721A
Authority
AU
Australia
Prior art keywords
relating
sound reproducing
reproducing machines
machines
sound
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
AU707/21A
Inventor
Maxwell Bumphrey Geoffrey
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 date
Application filed by Individual filed Critical Individual
Publication of AU70721A publication Critical patent/AU70721A/en
Expired legal-status Critical Current

Links

AU707/21A 1921-02-24 Improvements in and relating to sound reproducing machines Expired AU70721A (en)

Publications (1)

Publication Number Publication Date
AU70721A true AU70721A (en) 1921-11-15

Family

ID=

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