FR991814A - Perfectionnements aux tubes luminescents - Google Patents

Perfectionnements aux tubes luminescents

Info

Publication number
FR991814A
FR991814A FR991814DA FR991814A FR 991814 A FR991814 A FR 991814A FR 991814D A FR991814D A FR 991814DA FR 991814 A FR991814 A FR 991814A
Authority
FR
France
Prior art keywords
luminescent tubes
luminescent
tubes
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)
Inventor
Romeo Viano
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 FR991814A publication Critical patent/FR991814A/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
    • H01J61/30—Vessels; Containers
FR991814D 1949-05-19 1949-05-19 Perfectionnements aux tubes luminescents Expired FR991814A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR991814T 1949-05-19

Publications (1)

Publication Number Publication Date
FR991814A true FR991814A (fr) 1951-10-10

Family

ID=9554293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR991814D Expired FR991814A (fr) 1949-05-19 1949-05-19 Perfectionnements aux tubes luminescents

Country Status (1)

Country Link
FR (1) FR991814A (fr)

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