BE450197A - - Google Patents

Info

Publication number
BE450197A
BE450197A BE450197DA BE450197A BE 450197 A BE450197 A BE 450197A BE 450197D A BE450197D A BE 450197DA BE 450197 A BE450197 A BE 450197A
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 BE450197A publication Critical patent/BE450197A/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
BE450197D 1941-08-18 BE450197A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973283T 1941-08-18

Publications (1)

Publication Number Publication Date
BE450197A true BE450197A (zh)

Family

ID=9516639

Family Applications (1)

Application Number Title Priority Date Filing Date
BE450197D BE450197A (zh) 1941-08-18

Country Status (2)

Country Link
BE (1) BE450197A (zh)
FR (1) FR973283A (zh)

Also Published As

Publication number Publication date
FR973283A (fr) 1951-02-09

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