DE271993C - - Google Patents

Info

Publication number
DE271993C
DE271993C DENDAT271993D DE271993DC DE271993C DE 271993 C DE271993 C DE 271993C DE NDAT271993 D DENDAT271993 D DE NDAT271993D DE 271993D C DE271993D C DE 271993DC DE 271993 C DE271993 C DE 271993C
Authority
DE
Germany
Prior art keywords
tungstates
chromates
calm
fluorides
coal
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
DENDAT271993D
Other languages
German (de)
English (en)
Publication of DE271993C publication Critical patent/DE271993C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/02—Details
    • H05B31/06—Electrodes
    • H05B31/065—Electrodes for flame arc lamps

Landscapes

  • Discharge Lamp (AREA)
DENDAT271993D Active DE271993C (enExample)

Publications (1)

Publication Number Publication Date
DE271993C true DE271993C (enExample)

Family

ID=528600

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT271993D Active DE271993C (enExample)

Country Status (1)

Country Link
DE (1) DE271993C (enExample)

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