BE558059A - - Google Patents

Info

Publication number
BE558059A
BE558059A BE558059DA BE558059A BE 558059 A BE558059 A BE 558059A BE 558059D A BE558059D A BE 558059DA BE 558059 A BE558059 A BE 558059A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE558059A publication Critical patent/BE558059A/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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
BE558059D 1957-09-20 1957-06-03 BE558059A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2965057A GB820915A (en) 1957-09-20 1957-09-20 Improvements in or relating to the manufacture of thermionic cathodes

Publications (1)

Publication Number Publication Date
BE558059A true BE558059A (enrdf_load_html_response) 1957-12-03

Family

ID=10294916

Family Applications (1)

Application Number Title Priority Date Filing Date
BE558059D BE558059A (enrdf_load_html_response) 1957-09-20 1957-06-03

Country Status (3)

Country Link
BE (1) BE558059A (enrdf_load_html_response)
FR (1) FR1179378A (enrdf_load_html_response)
GB (1) GB820915A (enrdf_load_html_response)

Also Published As

Publication number Publication date
GB820915A (en) 1959-09-30
FR1179378A (fr) 1959-05-22

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