BE302977A - - Google Patents

Info

Publication number
BE302977A
BE302977A BE302977DA BE302977A BE 302977 A BE302977 A BE 302977A BE 302977D A BE302977D A BE 302977DA BE 302977 A BE302977 A BE 302977A
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 BE302977A publication Critical patent/BE302977A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • H01K1/32Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325Reflecting coating
BE302977D 1929-08-09 BE302977A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE344611X 1929-08-09

Publications (1)

Publication Number Publication Date
BE302977A true BE302977A (es)

Family

ID=3868075

Family Applications (1)

Application Number Title Priority Date Filing Date
BE302977D BE302977A (es) 1929-08-09

Country Status (2)

Country Link
BE (1) BE302977A (es)
GB (1) GB344611A (es)

Also Published As

Publication number Publication date
GB344611A (en) 1931-03-12

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