CA308171A - Vacuum tube - Google Patents

Vacuum tube

Info

Publication number
CA308171A
CA308171A CA308171A CA308171DA CA308171A CA 308171 A CA308171 A CA 308171A CA 308171 A CA308171 A CA 308171A CA 308171D A CA308171D A CA 308171DA CA 308171 A CA308171 A CA 308171A
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
CA308171A
Other languages
French (fr)
Inventor
H. Perryman George
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.)
PERRYMAN ELECTRIC CO Inc
Original Assignee
PERRYMAN ELECTRIC CO Inc
Publication date
Application granted granted Critical
Publication of CA308171A publication Critical patent/CA308171A/en
Expired legal-status Critical Current

Links

CA308171A Vacuum tube Expired CA308171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA308171T

Publications (1)

Publication Number Publication Date
CA308171A true CA308171A (en) 1931-01-27

Family

ID=35261323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA308171A Expired CA308171A (en) Vacuum tube

Country Status (1)

Country Link
CA (1) CA308171A (en)

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