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 (zh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE363695A true BE363695A (zh)

Family

ID=19805284

Family Applications (1)

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

Country Status (2)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
FR632758A (zh)
FR632502A (zh)
FR632457A (zh)
BE337939A (zh)
BE341382A (zh)
BE348725A (zh)
BE348635A (zh)
BE348620A (zh)
BE348572A (zh)
BE348549A (zh)
BE348421A (zh)
BE348364A (zh)
BE348157A (zh)
BE348105A (zh)
BE348101A (zh)
BE348057A (zh)
BE347991A (zh)
BE347916A (zh)
BE347852A (zh)
BE348889A (zh)
BE347774A (zh)
BE347699A (zh)
BE346912A (zh)
BE346414A (zh)
BE363695A (zh)