CA313439A - Vacuum electric tube device - Google Patents

Vacuum electric tube device

Info

Publication number
CA313439A
CA313439A CA313439A CA313439DA CA313439A CA 313439 A CA313439 A CA 313439A CA 313439 A CA313439 A CA 313439A CA 313439D A CA313439D A CA 313439DA CA 313439 A CA313439 A CA 313439A
Authority
CA
Canada
Prior art keywords
tube device
electric tube
vacuum electric
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
CA313439A
Other languages
French (fr)
Inventor
Yeoman Robinson Ernest
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
Publication date
Application granted granted Critical
Publication of CA313439A publication Critical patent/CA313439A/en
Expired legal-status Critical Current

Links

CA313439A Vacuum electric tube device Expired CA313439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA313439T

Publications (1)

Publication Number Publication Date
CA313439A true CA313439A (en) 1931-07-21

Family

ID=35272765

Family Applications (1)

Application Number Title Priority Date Filing Date
CA313439A Expired CA313439A (en) Vacuum electric tube device

Country Status (1)

Country Link
CA (1) CA313439A (en)

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