BE428721A - - Google Patents

Info

Publication number
BE428721A
BE428721A BE428721DA BE428721A BE 428721 A BE428721 A BE 428721A BE 428721D A BE428721D A BE 428721DA BE 428721 A BE428721 A BE 428721A
Authority
BE
Belgium
Prior art keywords
cadmium
tube
discharge tube
mercury
zinc
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE428721A publication Critical patent/BE428721A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/12Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
BE428721D 1938-06-21 BE428721A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49589T 1938-06-21

Publications (1)

Publication Number Publication Date
BE428721A true BE428721A (enrdf_load_html_response)

Family

ID=8684737

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428721D BE428721A (enrdf_load_html_response) 1938-06-21

Country Status (2)

Country Link
BE (1) BE428721A (enrdf_load_html_response)
FR (1) FR49589E (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR49589E (fr) 1939-05-11

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