BE428703A - - Google Patents

Info

Publication number
BE428703A
BE428703A BE428703DA BE428703A BE 428703 A BE428703 A BE 428703A BE 428703D A BE428703D A BE 428703DA BE 428703 A BE428703 A BE 428703A
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 BE428703A publication Critical patent/BE428703A/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
BE428703D 1937-06-21 BE428703A (US06342305-20020129-C00040.png)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE206375X 1937-06-21
CH182526T 1938-06-20

Publications (1)

Publication Number Publication Date
BE428703A true BE428703A (US06342305-20020129-C00040.png)

Family

ID=25720737

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428703D BE428703A (US06342305-20020129-C00040.png) 1937-06-21

Country Status (3)

Country Link
BE (1) BE428703A (US06342305-20020129-C00040.png)
CH (1) CH206375A (US06342305-20020129-C00040.png)
GB (1) GB512180A (US06342305-20020129-C00040.png)

Also Published As

Publication number Publication date
CH206375A (de) 1939-07-31
GB512180A (en) 1939-08-30

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