AU439639A - Improvements in or relating to thermionic valves - Google Patents

Improvements in or relating to thermionic valves

Info

Publication number
AU439639A
AU439639A AU4396/39A AU439639A AU439639A AU 439639 A AU439639 A AU 439639A AU 4396/39 A AU4396/39 A AU 4396/39A AU 439639 A AU439639 A AU 439639A AU 439639 A AU439639 A AU 439639A
Authority
AU
Australia
Prior art keywords
relating
thermionic valves
thermionic
valves
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
AU4396/39A
Other versions
AU111548B2 (en
Inventor
Douglas Goodchild Frank
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU111548B2 publication Critical patent/AU111548B2/en
Publication of AU439639A publication Critical patent/AU439639A/en
Expired legal-status Critical Current

Links

AU4396/39A 1939-09-20 Improvements in or relating to thermionic valves Expired AU111548B2 (en)

Publications (2)

Publication Number Publication Date
AU111548B2 AU111548B2 (en) 1940-09-26
AU439639A true AU439639A (en) 1940-09-26

Family

ID=

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