BE446579A - - Google Patents

Info

Publication number
BE446579A
BE446579A BE446579DA BE446579A BE 446579 A BE446579 A BE 446579A BE 446579D A BE446579D A BE 446579DA BE 446579 A BE446579 A BE 446579A
Authority
BE
Belgium
Prior art keywords
iron
tungsten
incandescent body
incandescent
current
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE446579A publication Critical patent/BE446579A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K3/00Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02Manufacture of incandescent bodies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C3/00Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/04Iron-filament ballast resistors; Other resistors having variable temperature coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Resistance Heating (AREA)
BE446579D BE446579A (OSRAM)

Publications (1)

Publication Number Publication Date
BE446579A true BE446579A (OSRAM)

Family

ID=102653

Family Applications (1)

Application Number Title Priority Date Filing Date
BE446579D BE446579A (OSRAM)

Country Status (1)

Country Link
BE (1) BE446579A (OSRAM)

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