FR499621A - - Google Patents

Info

Publication number
FR499621A
FR499621A FR499621DA FR499621A FR 499621 A FR499621 A FR 499621A FR 499621D A FR499621D A FR 499621DA FR 499621 A FR499621 A FR 499621A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR499621A publication Critical patent/FR499621A/fr
Expired 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
    • H05B31/0081—Controlling of arc lamps
    • H05B31/009—Controlling of arc lamps with tightening devices
    • 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
    • H05B31/003—Electric arc lamps of a special type
    • H05B31/0039—Projectors, the construction of which depends upon the presence of the arc
FR499621D Expired FR499621A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR499621A true FR499621A (cg-RX-API-DMAC7.html) 1920-02-17

Family

ID=1534635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR499621D Expired FR499621A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR499621A (cg-RX-API-DMAC7.html)

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