DE148948C - - Google Patents

Info

Publication number
DE148948C
DE148948C DENDAT148948D DE148948DA DE148948C DE 148948 C DE148948 C DE 148948C DE NDAT148948 D DENDAT148948 D DE NDAT148948D DE 148948D A DE148948D A DE 148948DA DE 148948 C DE148948 C DE 148948C
Authority
DE
Germany
Prior art keywords
arc
coals
mineralized
carbon
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
DENDAT148948D
Other languages
German (de)
English (en)
Publication of DE148948C publication Critical patent/DE148948C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00Electric arc lamps
    • H05B31/0057Accessories for arc lamps
    • H05B31/0066Saving arrangements; Ventilation devices

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DENDAT148948D Active DE148948C (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
DE148948C true DE148948C (cg-RX-API-DMAC10.html)

Family

ID=415996

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT148948D Active DE148948C (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
DE (1) DE148948C (cg-RX-API-DMAC10.html)

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