FR553325A - Electric lamps - Google Patents

Electric lamps

Info

Publication number
FR553325A
FR553325A FR553325DA FR553325A FR 553325 A FR553325 A FR 553325A FR 553325D A FR553325D A FR 553325DA FR 553325 A FR553325 A FR 553325A
Authority
FR
France
Prior art keywords
electric lamps
lamps
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
Attilio Portigliotti
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 FR553325A publication Critical patent/FR553325A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
FR553325D 1922-06-16 1922-06-16 Electric lamps Expired FR553325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR553325T 1922-06-16

Publications (1)

Publication Number Publication Date
FR553325A true FR553325A (en) 1923-05-22

Family

ID=8938147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR553325D Expired FR553325A (en) 1922-06-16 1922-06-16 Electric lamps

Country Status (1)

Country Link
FR (1) FR553325A (en)

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