FR1041696A - Perfectionnements aux lampes fluorescentes - Google Patents

Perfectionnements aux lampes fluorescentes

Info

Publication number
FR1041696A
FR1041696A FR1041696DA FR1041696A FR 1041696 A FR1041696 A FR 1041696A FR 1041696D A FR1041696D A FR 1041696DA FR 1041696 A FR1041696 A FR 1041696A
Authority
FR
France
Prior art keywords
fluorescent lamp
fluorescent
lamp
lamp improvements
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
Hans Joachim Spanner
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 FR1041696A publication Critical patent/FR1041696A/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
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR1041696D 1950-04-04 1951-04-04 Perfectionnements aux lampes fluorescentes Expired FR1041696A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1041696X 1950-04-04

Publications (1)

Publication Number Publication Date
FR1041696A true FR1041696A (fr) 1953-10-26

Family

ID=11429713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1041696D Expired FR1041696A (fr) 1950-04-04 1951-04-04 Perfectionnements aux lampes fluorescentes

Country Status (1)

Country Link
FR (1) FR1041696A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2620266A1 (fr) * 1987-09-07 1989-03-10 Dumas Pierre Ampoule fluorescente tubulaire a pied tubulaire et a culot normalise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2620266A1 (fr) * 1987-09-07 1989-03-10 Dumas Pierre Ampoule fluorescente tubulaire a pied tubulaire et a culot normalise

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