CA474255A - Lampes thermioniques - Google Patents

Lampes thermioniques

Info

Publication number
CA474255A
CA474255A CA474255A CA474255DA CA474255A CA 474255 A CA474255 A CA 474255A CA 474255 A CA474255 A CA 474255A CA 474255D A CA474255D A CA 474255DA CA 474255 A CA474255 A CA 474255A
Authority
CA
Canada
Prior art keywords
thermionic tubes
thermionic
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
CA474255A
Other languages
English (en)
Inventor
Marinus Cupido Piet
Octavianus Maria Gall Bernardus
Lodewijk Hendrik Jonker Johan
Johannes Wilhelmus Marie Van Overbeek Adrianus
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
Publication date
Application granted granted Critical
Publication of CA474255A publication Critical patent/CA474255A/fr
Expired legal-status Critical Current

Links

CA474255A Lampes thermioniques Expired CA474255A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA474255T

Publications (1)

Publication Number Publication Date
CA474255A true CA474255A (fr) 1951-06-05

Family

ID=35608233

Family Applications (1)

Application Number Title Priority Date Filing Date
CA474255A Expired CA474255A (fr) Lampes thermioniques

Country Status (1)

Country Link
CA (1) CA474255A (fr)

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