BE432141A - - Google Patents

Info

Publication number
BE432141A
BE432141A BE432141DA BE432141A BE 432141 A BE432141 A BE 432141A BE 432141D A BE432141D A BE 432141DA BE 432141 A BE432141 A BE 432141A
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 BE432141A publication Critical patent/BE432141A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • H01K1/34Double wall vessels
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K9/00Lamps having two or more incandescent bodies separately heated
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
BE432141D 1938-01-27 BE432141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH512791X 1938-01-27

Publications (1)

Publication Number Publication Date
BE432141A true BE432141A (en)

Family

ID=4517538

Family Applications (1)

Application Number Title Priority Date Filing Date
BE432141D BE432141A (en) 1938-01-27

Country Status (5)

Country Link
BE (1) BE432141A (en)
CH (1) CH207792A (en)
FR (1) FR849075A (en)
GB (1) GB512791A (en)
NL (1) NL56036C (en)

Also Published As

Publication number Publication date
FR849075A (en) 1939-11-14
CH207792A (en) 1939-11-30
NL56036C (en)
GB512791A (en) 1939-09-26

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