BE432577A - - Google Patents

Info

Publication number
BE432577A
BE432577A BE432577DA BE432577A BE 432577 A BE432577 A BE 432577A BE 432577D A BE432577D A BE 432577DA BE 432577 A BE432577 A BE 432577A
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 BE432577A publication Critical patent/BE432577A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/84Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
BE432577D 1938-02-07 BE432577A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE207146X 1938-02-07

Publications (1)

Publication Number Publication Date
BE432577A true BE432577A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=5793550

Family Applications (1)

Application Number Title Priority Date Filing Date
BE432577D BE432577A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1938-02-07

Country Status (5)

Country Link
US (1) US2356418A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
BE (1) BE432577A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CH (1) CH207146A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR849946A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1) NL54243C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Also Published As

Publication number Publication date
FR849946A (fr) 1939-12-05
NL54243C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CH207146A (de) 1939-09-30
US2356418A (en) 1944-08-22

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