BE370637A - - Google Patents

Info

Publication number
BE370637A
BE370637A BE370637DA BE370637A BE 370637 A BE370637 A BE 370637A BE 370637D A BE370637D A BE 370637DA BE 370637 A BE370637 A BE 370637A
Authority
BE
Belgium
Prior art keywords
cathode
wire
anode
film
cylindrical
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE370637A publication Critical patent/BE370637A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes

Landscapes

  • Optical Recording Or Reproduction (AREA)
BE370637D BE370637A (forum.php)

Publications (1)

Publication Number Publication Date
BE370637A true BE370637A (forum.php)

Family

ID=42079

Family Applications (1)

Application Number Title Priority Date Filing Date
BE370637D BE370637A (forum.php)

Country Status (1)

Country Link
BE (1) BE370637A (forum.php)

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