AU307431A - Improvements in or relating to vaccum tubes - Google Patents

Improvements in or relating to vaccum tubes

Info

Publication number
AU307431A
AU307431A AU3074/31A AU307431A AU307431A AU 307431 A AU307431 A AU 307431A AU 3074/31 A AU3074/31 A AU 3074/31A AU 307431 A AU307431 A AU 307431A AU 307431 A AU307431 A AU 307431A
Authority
AU
Australia
Prior art keywords
relating
vaccum
tubes
vaccum tubes
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
AU3074/31A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU307431A publication Critical patent/AU307431A/en
Expired legal-status Critical Current

Links

AU3074/31A 1931-12-31 Improvements in or relating to vaccum tubes Expired AU307431A (en)

Publications (1)

Publication Number Publication Date
AU307431A true AU307431A (en) 1932-01-07

Family

ID=

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