FR732009A - Electric lighting method and lighting devices applying this method - Google Patents

Electric lighting method and lighting devices applying this method

Info

Publication number
FR732009A
FR732009A FR732009DA FR732009A FR 732009 A FR732009 A FR 732009A FR 732009D A FR732009D A FR 732009DA FR 732009 A FR732009 A FR 732009A
Authority
FR
France
Prior art keywords
lighting
devices applying
electric
lighting devices
electric lighting
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
French (fr)
Inventor
Daniel Soreau
Henri Spindler
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 filed Critical
Application granted granted Critical
Publication of FR732009A publication Critical patent/FR732009A/en
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
    • H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component
FR732009D 1931-12-22 1931-12-22 Electric lighting method and lighting devices applying this method Expired FR732009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR732009T 1931-12-22

Publications (1)

Publication Number Publication Date
FR732009A true FR732009A (en) 1932-09-12

Family

ID=9120403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR732009D Expired FR732009A (en) 1931-12-22 1931-12-22 Electric lighting method and lighting devices applying this method

Country Status (2)

Country Link
BE (1) BE393077A (en)
FR (1) FR732009A (en)

Also Published As

Publication number Publication date
BE393077A (en)

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