FR805242A - Lampe à vapeur - Google Patents

Lampe à vapeur

Info

Publication number
FR805242A
FR805242A FR805242DA FR805242A FR 805242 A FR805242 A FR 805242A FR 805242D A FR805242D A FR 805242DA FR 805242 A FR805242 A FR 805242A
Authority
FR
France
Prior art keywords
steam lamp
steam
lamp
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.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR805242A publication Critical patent/FR805242A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
FR805242D 1935-04-23 1936-04-23 Lampe à vapeur Expired FR805242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US457371XA 1935-04-23 1935-04-23

Publications (1)

Publication Number Publication Date
FR805242A true FR805242A (fr) 1936-11-14

Family

ID=21939594

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805242D Expired FR805242A (fr) 1935-04-23 1936-04-23 Lampe à vapeur

Country Status (3)

Country Link
BE (1) BE415154A (fr)
FR (1) FR805242A (fr)
GB (1) GB457371A (fr)

Also Published As

Publication number Publication date
BE415154A (fr) 1936-06-30
GB457371A (en) 1936-11-26

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