CA612708A - Vacuum tube - Google Patents

Vacuum tube

Info

Publication number
CA612708A
CA612708A CA612708A CA612708DA CA612708A CA 612708 A CA612708 A CA 612708A CA 612708 A CA612708 A CA 612708A CA 612708D A CA612708D A CA 612708DA CA 612708 A CA612708 A CA 612708A
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
CA612708A
Inventor
R. Hovingh Albertus
R. Dijksterhuis Popko
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Publication date
Application granted granted Critical
Publication of CA612708A publication Critical patent/CA612708A/en
Expired legal-status Critical Current

Links

CA612708A Vacuum tube Expired CA612708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA612708T

Publications (1)

Publication Number Publication Date
CA612708A true CA612708A (en) 1961-01-17

Family

ID=35855028

Family Applications (1)

Application Number Title Priority Date Filing Date
CA612708A Expired CA612708A (en) Vacuum tube

Country Status (1)

Country Link
CA (1) CA612708A (en)

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