CA480715A - Lampes a vide - Google Patents

Lampes a vide

Info

Publication number
CA480715A
CA480715A CA480715A CA480715DA CA480715A CA 480715 A CA480715 A CA 480715A CA 480715 A CA480715 A CA 480715A CA 480715D A CA480715D A CA 480715DA CA 480715 A CA480715 A CA 480715A
Authority
CA
Canada
Prior art keywords
vacuum tubes
tubes
vacuum
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
CA480715A
Other languages
English (en)
Inventor
Welch Peter
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA480715A publication Critical patent/CA480715A/fr
Expired legal-status Critical Current

Links

CA480715A Lampes a vide Expired CA480715A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA480715T

Publications (1)

Publication Number Publication Date
CA480715A true CA480715A (fr) 1952-01-29

Family

ID=35620392

Family Applications (1)

Application Number Title Priority Date Filing Date
CA480715A Expired CA480715A (fr) Lampes a vide

Country Status (1)

Country Link
CA (1) CA480715A (fr)

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