BE447593A - - Google Patents

Info

Publication number
BE447593A
BE447593A BE447593DA BE447593A BE 447593 A BE447593 A BE 447593A BE 447593D A BE447593D A BE 447593DA BE 447593 A BE447593 A BE 447593A
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 BE447593A publication Critical patent/BE447593A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
BE447593D 1941-07-11 BE447593A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR260185X 1941-07-11

Publications (1)

Publication Number Publication Date
BE447593A true BE447593A (enrdf_load_html_response)

Family

ID=8884958

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447593D BE447593A (enrdf_load_html_response) 1941-07-11

Country Status (3)

Country Link
BE (1) BE447593A (enrdf_load_html_response)
CH (1) CH260185A (enrdf_load_html_response)
FR (1) FR959704A (enrdf_load_html_response)

Also Published As

Publication number Publication date
CH260185A (fr) 1949-02-28
FR959704A (enrdf_load_html_response) 1950-04-04

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