FR751345A - Perfectionnements aux lampes - Google Patents

Perfectionnements aux lampes

Info

Publication number
FR751345A
FR751345A FR751345DA FR751345A FR 751345 A FR751345 A FR 751345A FR 751345D A FR751345D A FR 751345DA FR 751345 A FR751345 A FR 751345A
Authority
FR
France
Prior art keywords
refinements
lamp
lamp refinements
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 FR751345A publication Critical patent/FR751345A/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
    • H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
FR751345D 1932-03-01 1933-02-25 Perfectionnements aux lampes Expired FR751345A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US403836XA 1932-03-01 1932-03-01

Publications (1)

Publication Number Publication Date
FR751345A true FR751345A (fr) 1933-08-31

Family

ID=21910685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR751345D Expired FR751345A (fr) 1932-03-01 1933-02-25 Perfectionnements aux lampes

Country Status (2)

Country Link
FR (1) FR751345A (fr)
GB (1) GB403836A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE425995A (fr) * 1937-02-02

Also Published As

Publication number Publication date
GB403836A (en) 1934-01-04

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