CA203379A - Vacuum tube - Google Patents

Vacuum tube

Info

Publication number
CA203379A
CA203379A CA203379A CA203379DA CA203379A CA 203379 A CA203379 A CA 203379A CA 203379 A CA203379 A CA 203379A CA 203379D A CA203379D A CA 203379DA CA 203379 A CA203379 A CA 203379A
Authority
CA
Canada
Prior art keywords
vacuum tube
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
CA203379A
Other languages
French (fr)
Inventor
De F. Arnold Harold
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA203379A publication Critical patent/CA203379A/en
Expired legal-status Critical Current

Links

CA203379A Vacuum tube Expired CA203379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203379T

Publications (1)

Publication Number Publication Date
CA203379A true CA203379A (en) 1920-08-24

Family

ID=35077815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203379A Expired CA203379A (en) Vacuum tube

Country Status (1)

Country Link
CA (1) CA203379A (en)

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