FR676446A - Incandescent electric lamp - Google Patents

Incandescent electric lamp

Info

Publication number
FR676446A
FR676446A FR676446DA FR676446A FR 676446 A FR676446 A FR 676446A FR 676446D A FR676446D A FR 676446DA FR 676446 A FR676446 A FR 676446A
Authority
FR
France
Prior art keywords
electric lamp
incandescent electric
incandescent
lamp
electric
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
Henri Fekkes
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 FR676446A publication Critical patent/FR676446A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/26Screens; Filters
FR676446D 1928-06-11 1929-06-10 Incandescent electric lamp Expired FR676446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE313437X 1928-06-11

Publications (1)

Publication Number Publication Date
FR676446A true FR676446A (en) 1930-02-22

Family

ID=3867595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR676446D Expired FR676446A (en) 1928-06-11 1929-06-10 Incandescent electric lamp

Country Status (3)

Country Link
BE (1) BE352019A (en)
FR (1) FR676446A (en)
GB (1) GB313437A (en)

Also Published As

Publication number Publication date
BE352019A (en)
GB313437A (en) 1930-04-03

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