CA478171A - Cathodes of indirectly heated-type - Google Patents

Cathodes of indirectly heated-type

Info

Publication number
CA478171A
CA478171A CA478171A CA478171DA CA478171A CA 478171 A CA478171 A CA 478171A CA 478171 A CA478171 A CA 478171A CA 478171D A CA478171D A CA 478171DA CA 478171 A CA478171 A CA 478171A
Authority
CA
Canada
Prior art keywords
cathodes
type
indirectly heated
indirectly
heated
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
CA478171A
Other languages
French (fr)
Inventor
Octavianus Maria Gall Bernardus
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 CA478171A publication Critical patent/CA478171A/en
Expired legal-status Critical Current

Links

CA478171A Cathodes of indirectly heated-type Expired CA478171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA478171T

Publications (1)

Publication Number Publication Date
CA478171A true CA478171A (en) 1951-10-30

Family

ID=35617825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA478171A Expired CA478171A (en) Cathodes of indirectly heated-type

Country Status (1)

Country Link
CA (1) CA478171A (en)

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