CA459137A - Dispositif de lampe electrique a vide - Google Patents

Dispositif de lampe electrique a vide

Info

Publication number
CA459137A
CA459137A CA459137A CA459137DA CA459137A CA 459137 A CA459137 A CA 459137A CA 459137 A CA459137 A CA 459137A CA 459137D A CA459137D A CA 459137DA CA 459137 A CA459137 A CA 459137A
Authority
CA
Canada
Prior art keywords
tube device
electric tube
vacuum electric
vacuum
tube
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
CA459137A
Other languages
English (en)
Inventor
Mathieson Dodds John
Heywood Ludlow John
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.)
Metropolitan Vickers Electrical Co Ltd
Original Assignee
Metropolitan Vickers Electrical Co Ltd
Publication date
Application granted granted Critical
Publication of CA459137A publication Critical patent/CA459137A/fr
Expired legal-status Critical Current

Links

CA459137A Dispositif de lampe electrique a vide Expired CA459137A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA459137T

Publications (1)

Publication Number Publication Date
CA459137A true CA459137A (fr) 1949-08-23

Family

ID=35577911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA459137A Expired CA459137A (fr) Dispositif de lampe electrique a vide

Country Status (1)

Country Link
CA (1) CA459137A (fr)

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