BE363695A - - Google Patents

Info

Publication number
BE363695A
BE363695A BE363695DA BE363695A BE 363695 A BE363695 A BE 363695A BE 363695D A BE363695D A BE 363695DA BE 363695 A BE363695 A BE 363695A
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 BE363695A publication Critical patent/BE363695A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
BE363695D 1928-10-02 BE363695A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL681710X 1928-10-02

Publications (1)

Publication Number Publication Date
BE363695A true BE363695A (ja)

Family

ID=19805284

Family Applications (1)

Application Number Title Priority Date Filing Date
BE363695D BE363695A (ja) 1928-10-02

Country Status (2)

Country Link
BE (1) BE363695A (ja)
FR (1) FR681710A (ja)

Also Published As

Publication number Publication date
FR681710A (fr) 1930-05-19

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