BE371412A - - Google Patents

Info

Publication number
BE371412A
BE371412A BE371412DA BE371412A BE 371412 A BE371412 A BE 371412A BE 371412D A BE371412D A BE 371412DA BE 371412 A BE371412 A BE 371412A
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 BE371412A publication Critical patent/BE371412A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/70Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/76Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only
BE371412D 1929-06-26 BE371412A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698958XA 1929-06-26 1929-06-26

Publications (1)

Publication Number Publication Date
BE371412A true BE371412A (xx)

Family

ID=22091868

Family Applications (1)

Application Number Title Priority Date Filing Date
BE371412D BE371412A (xx) 1929-06-26

Country Status (3)

Country Link
BE (1) BE371412A (xx)
FR (1) FR698958A (xx)
GB (1) GB356745A (xx)

Also Published As

Publication number Publication date
GB356745A (xx) 1931-09-07
FR698958A (fr) 1931-02-09

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