CA270769A - Filament de tube a vide - Google Patents

Filament de tube a vide

Info

Publication number
CA270769A
CA270769A CA270769A CA270769DA CA270769A CA 270769 A CA270769 A CA 270769A CA 270769 A CA270769 A CA 270769A CA 270769D A CA270769D A CA 270769DA CA 270769 A CA270769 A CA 270769A
Authority
CA
Canada
Prior art keywords
vacuum tube
tube filament
filament
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
CA270769A
Other languages
English (en)
Inventor
S. Mccullough Frederick
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.)
ROGERS RADIO Ltd
Original Assignee
ROGERS RADIO Ltd
Publication date
Application granted granted Critical
Publication of CA270769A publication Critical patent/CA270769A/fr
Expired legal-status Critical Current

Links

CA270769A Filament de tube a vide Expired CA270769A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA270769T

Publications (1)

Publication Number Publication Date
CA270769A true CA270769A (fr) 1927-05-17

Family

ID=35200800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270769A Expired CA270769A (fr) Filament de tube a vide

Country Status (1)

Country Link
CA (1) CA270769A (fr)

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