DE178475C - - Google Patents

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Publication number
DE178475C
DE178475C DENDAT178475D DE178475DA DE178475C DE 178475 C DE178475 C DE 178475C DE NDAT178475 D DENDAT178475 D DE NDAT178475D DE 178475D A DE178475D A DE 178475DA DE 178475 C DE178475 C DE 178475C
Authority
DE
Germany
Prior art keywords
tungsten
class
mixture
ladders
connections
Prior art date
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.)
Active
Application number
DENDAT178475D
Other languages
German (de)
English (en)
Publication of DE178475C publication Critical patent/DE178475C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Ceramic Products (AREA)
  • Resistance Heating (AREA)
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Publications (1)

Publication Number Publication Date
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Family

ID=442869

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
DE (1) DE178475C (show.php)

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