BE421157A - - Google Patents

Info

Publication number
BE421157A
BE421157A BE421157DA BE421157A BE 421157 A BE421157 A BE 421157A BE 421157D A BE421157D A BE 421157DA BE 421157 A BE421157 A BE 421157A
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 BE421157A publication Critical patent/BE421157A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
BE421157D 1936-04-22 BE421157A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2188581X 1936-04-22

Publications (1)

Publication Number Publication Date
BE421157A true BE421157A (xx)

Family

ID=7989230

Family Applications (1)

Application Number Title Priority Date Filing Date
BE421157D BE421157A (xx) 1936-04-22

Country Status (2)

Country Link
BE (1) BE421157A (xx)
FR (1) FR820890A (xx)

Also Published As

Publication number Publication date
FR820890A (fr) 1937-11-20

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