BE447545A - - Google Patents

Info

Publication number
BE447545A
BE447545A BE447545DA BE447545A BE 447545 A BE447545 A BE 447545A BE 447545D A BE447545D A BE 447545DA BE 447545 A BE447545 A BE 447545A
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 BE447545A publication Critical patent/BE447545A/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
    • H01J1/15Cathodes heated directly by an electric current
    • H01J1/16Cathodes heated directly by an electric current characterised by the shape
BE447545D 1941-10-14 BE447545A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL233017X 1941-10-14

Publications (1)

Publication Number Publication Date
BE447545A true BE447545A (en:Method)

Family

ID=19780087

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447545D BE447545A (en:Method) 1941-10-14

Country Status (3)

Country Link
BE (1) BE447545A (en:Method)
CH (1) CH233017A (en:Method)
GB (1) GB616359A (en:Method)

Also Published As

Publication number Publication date
GB616359A (en) 1949-01-20
CH233017A (de) 1944-06-30

Similar Documents

Publication Publication Date Title
BE442109A (en:Method)
BE441893A (en:Method)
BE443150A (en:Method)
BE406989A (en:Method)
BE439798A (en:Method)
BE440507A (en:Method)
BE440517A (en:Method)
BE440580A (en:Method)
BE440765A (en:Method)
BE440983A (en:Method)
BE440997A (en:Method)
BE441030A (en:Method)
BE441135A (en:Method)
BE441261A (en:Method)
BE441273A (en:Method)
BE441477A (en:Method)
BE441524A (en:Method)
BE441571A (en:Method)
BE441636A (en:Method)
BE441671A (en:Method)
BE441713A (en:Method)
BE441833A (en:Method)
BE447545A (en:Method)
BE442102A (en:Method)
BE405522A (en:Method)