BE427483A - - Google Patents

Info

Publication number
BE427483A
BE427483A BE427483DA BE427483A BE 427483 A BE427483 A BE 427483A BE 427483D A BE427483D A BE 427483DA BE 427483 A BE427483 A BE 427483A
Authority
BE
Belgium
Prior art keywords
blackening
gas
incandescent lamp
lamp according
bulb
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE427483A publication Critical patent/BE427483A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
BE427483D BE427483A (show.php)

Publications (1)

Publication Number Publication Date
BE427483A true BE427483A (show.php)

Family

ID=88046

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427483D BE427483A (show.php)

Country Status (1)

Country Link
BE (1) BE427483A (show.php)

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