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AU3029030A - Improvements in or relating to thermionic valve systems - Google Patents

Improvements in or relating to thermionic valve systems

Info

Publication number
AU3029030A
AU3029030A AU30290/30A AU3029030A AU3029030A AU 3029030 A AU3029030 A AU 3029030A AU 30290/30 A AU30290/30 A AU 30290/30A AU 3029030 A AU3029030 A AU 3029030A AU 3029030 A AU3029030 A AU 3029030A
Authority
AU
Australia
Prior art keywords
relating
valve systems
thermionic valve
thermionic
systems
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
AU30290/30A
Inventor
Henry Cooper Arthur
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
Filing date
Publication date
Application filed by Gramophone Co Ltd filed Critical Gramophone Co Ltd
Publication of AU3029030A publication Critical patent/AU3029030A/en
Expired legal-status Critical Current

Links

AU30290/30A 1930-11-21 Improvements in or relating to thermionic valve systems Expired AU3029030A (en)

Publications (1)

Publication Number Publication Date
AU3029030A true AU3029030A (en) 1931-03-12

Family

ID=

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