BE353553A - - Google Patents

Info

Publication number
BE353553A
BE353553A BE353553DA BE353553A BE 353553 A BE353553 A BE 353553A BE 353553D A BE353553D A BE 353553DA BE 353553 A BE353553 A BE 353553A
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 BE353553A publication Critical patent/BE353553A/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
BE353553D 1927-09-15 BE353553A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1937735X 1927-09-15

Publications (1)

Publication Number Publication Date
BE353553A true BE353553A (xx)

Family

ID=19873340

Family Applications (1)

Application Number Title Priority Date Filing Date
BE353553D BE353553A (xx) 1927-09-15

Country Status (3)

Country Link
US (1) US1937735A (xx)
BE (1) BE353553A (xx)
FR (1) FR658973A (xx)

Also Published As

Publication number Publication date
US1937735A (en) 1933-12-05
FR658973A (fr) 1929-06-22

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