DE249733C - - Google Patents

Info

Publication number
DE249733C
DE249733C DENDAT249733D DE249733DA DE249733C DE 249733 C DE249733 C DE 249733C DE NDAT249733 D DENDAT249733 D DE NDAT249733D DE 249733D A DE249733D A DE 249733DA DE 249733 C DE249733 C DE 249733C
Authority
DE
Germany
Prior art keywords
colloidal
precipitated
acid
threads
sulfuric acid
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
DENDAT249733D
Other languages
German (de)
English (en)
Publication of DE249733C publication Critical patent/DE249733C/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)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
DENDAT249733D Active DE249733C (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
DE249733C true DE249733C (cg-RX-API-DMAC7.html)

Family

ID=508324

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT249733D Active DE249733C (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
DE (1) DE249733C (cg-RX-API-DMAC7.html)

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