FR549432A - Lampe luminescente - Google Patents

Lampe luminescente

Info

Publication number
FR549432A
FR549432A FR549432DA FR549432A FR 549432 A FR549432 A FR 549432A FR 549432D A FR549432D A FR 549432DA FR 549432 A FR549432 A FR 549432A
Authority
FR
France
Prior art keywords
luminescent lamp
luminescent
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Application granted granted Critical
Publication of FR549432A publication Critical patent/FR549432A/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
    • H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
FR549432D 1921-04-04 1922-03-28 Lampe luminescente Expired FR549432A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE549432X 1921-04-04

Publications (1)

Publication Number Publication Date
FR549432A true FR549432A (fr) 1923-02-09

Family

ID=6562301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549432D Expired FR549432A (fr) 1921-04-04 1922-03-28 Lampe luminescente

Country Status (1)

Country Link
FR (1) FR549432A (fr)

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