BE484789A - - Google Patents

Info

Publication number
BE484789A
BE484789A BE484789DA BE484789A BE 484789 A BE484789 A BE 484789A BE 484789D A BE484789D A BE 484789DA BE 484789 A BE484789 A BE 484789A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE484789A publication Critical patent/BE484789A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
BE484789D 1947-09-11 BE484789A (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH259593T 1947-09-11

Publications (1)

Publication Number Publication Date
BE484789A true BE484789A (ja�@�@)

Family

ID=4473164

Family Applications (1)

Application Number Title Priority Date Filing Date
BE484789D BE484789A (ja�@�@) 1947-09-11

Country Status (2)

Country Link
BE (1) BE484789A (ja�@�@)
CH (1) CH259593A (ja�@�@)

Also Published As

Publication number Publication date
CH259593A (de) 1949-01-31

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