FR1049334A - - Google Patents

Info

Publication number
FR1049334A
FR1049334A FR1049334DA FR1049334A FR 1049334 A FR1049334 A FR 1049334A FR 1049334D A FR1049334D A FR 1049334DA FR 1049334 A FR1049334 A FR 1049334A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR1049334A publication Critical patent/FR1049334A/fr
Expired legal-status Critical Current

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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/54—Arrangements for centring ray or beam
FR1049334D Expired FR1049334A (zh)

Publications (1)

Publication Number Publication Date
FR1049334A true FR1049334A (zh) 1953-12-29

Family

ID=1567554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1049334D Expired FR1049334A (zh)

Country Status (1)

Country Link
FR (1) FR1049334A (zh)

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