BE404932A - - Google Patents

Info

Publication number
BE404932A
BE404932A BE404932DA BE404932A BE 404932 A BE404932 A BE 404932A BE 404932D A BE404932D A BE 404932DA BE 404932 A BE404932 A BE 404932A
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 BE404932A publication Critical patent/BE404932A/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
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
BE404932D 1933-09-07 BE404932A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE419352X 1933-09-07

Publications (1)

Publication Number Publication Date
BE404932A true BE404932A (xx)

Family

ID=6448971

Family Applications (1)

Application Number Title Priority Date Filing Date
BE404932D BE404932A (xx) 1933-09-07

Country Status (3)

Country Link
BE (1) BE404932A (xx)
FR (1) FR777069A (xx)
GB (1) GB419352A (xx)

Also Published As

Publication number Publication date
GB419352A (en) 1934-11-09
FR777069A (fr) 1935-02-11

Similar Documents

Publication Publication Date Title
BE404932A (xx)
BE334554A (xx)
BE354930A (xx)
BE369770A (xx)
BE375476A (xx)
BE378380A (xx)
BE389595A (xx)
BE391463A (xx)
BE393645A (xx)
BE393793A (xx)
BE393878A (xx)
BE393996A (xx)
BE394022A (xx)
BE394067A (xx)
BE394072A (xx)
BE394093A (xx)
BE394103A (xx)
BE394207A (xx)
BE394212A (xx)
BE394300A (xx)
BE394347A (xx)
BE394392A (xx)
BE394410A (xx)
BE394468A (xx)
BE394486A (xx)