FR577913A - - Google Patents

Info

Publication number
FR577913A
FR577913A FR577913DA FR577913A FR 577913 A FR577913 A FR 577913A FR 577913D A FR577913D A FR 577913DA FR 577913 A FR577913 A FR 577913A
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 FR577913A publication Critical patent/FR577913A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
FR577913D Expired FR577913A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
FR577913A true FR577913A (cg-RX-API-DMAC10.html) 1924-08-12

Family

ID=1539465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR577913D Expired FR577913A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
FR (1) FR577913A (cg-RX-API-DMAC10.html)

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