BE428543A - - Google Patents

Info

Publication number
BE428543A
BE428543A BE428543DA BE428543A BE 428543 A BE428543 A BE 428543A BE 428543D A BE428543D A BE 428543DA BE 428543 A BE428543 A BE 428543A
Authority
BE
Belgium
Application number
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.)
Publication of BE428543A publication Critical patent/BE428543A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
BE428543D 1937-06-12 BE428543A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL206539X 1937-06-12

Publications (1)

Publication Number Publication Date
BE428543A true BE428543A (fr)

Family

ID=19778583

Family Applications (2)

Application Number Title Priority Date Filing Date
BE428542D BE428542A (fr) 1937-06-12
BE428543D BE428543A (fr) 1937-06-12

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE428542D BE428542A (fr) 1937-06-12

Country Status (5)

Country Link
BE (2) BE428543A (fr)
CH (1) CH206539A (fr)
DE (2) DE699404C (fr)
FR (2) FR839199A (fr)
GB (2) GB515704A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112785B (de) * 1955-07-08 1961-08-17 Sylvania Electric Prod Hochfrequenzgeheizter Gluehstrahler
BR8400807A (pt) * 1983-02-25 1984-10-02 Gte Prod Corp Lampada eletrica de halogenio/tungstenio com elemento permeavel fechando o involucro externo
RU2485395C1 (ru) * 2012-02-22 2013-06-20 Юлия Алексеевна Щепочкина Колба лампы светодиодной

Also Published As

Publication number Publication date
FR839199A (fr) 1939-03-28
GB515704A (en) 1939-12-12
GB518016A (en) 1940-02-15
CH206539A (de) 1939-08-15
DE699404C (de) 1940-11-28
BE428542A (fr)
DE725341C (de) 1942-09-19
FR839200A (fr) 1939-03-28

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