CA313440A - Dispositif de lampe electrique a vide - Google Patents

Dispositif de lampe electrique a vide

Info

Publication number
CA313440A
CA313440A CA313440A CA313440DA CA313440A CA 313440 A CA313440 A CA 313440A CA 313440 A CA313440 A CA 313440A CA 313440D A CA313440D A CA 313440DA CA 313440 A CA313440 A CA 313440A
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
CA313440A
Other languages
English (en)
Inventor
Y. 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 CA313440A publication Critical patent/CA313440A/fr
Expired legal-status Critical Current

Links

CA313440A Dispositif de lampe electrique a vide Expired CA313440A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA313440T

Publications (1)

Publication Number Publication Date
CA313440A true CA313440A (fr) 1931-07-21

Family

ID=35272766

Family Applications (1)

Application Number Title Priority Date Filing Date
CA313440A Expired CA313440A (fr) Dispositif de lampe electrique a vide

Country Status (1)

Country Link
CA (1) CA313440A (fr)

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