BE475719A - - Google Patents

Info

Publication number
BE475719A
BE475719A BE475719DA BE475719A BE 475719 A BE475719 A BE 475719A BE 475719D A BE475719D A BE 475719DA BE 475719 A BE475719 A BE 475719A
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 BE475719A publication Critical patent/BE475719A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
BE475719D 1946-08-30 BE475719A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL270673X 1946-08-30

Publications (1)

Publication Number Publication Date
BE475719A true BE475719A (en:Method)

Family

ID=19781917

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475719D BE475719A (en:Method) 1946-08-30

Country Status (5)

Country Link
BE (1) BE475719A (en:Method)
CH (1) CH270673A (en:Method)
FR (1) FR952558A (en:Method)
GB (1) GB656522A (en:Method)
NL (1) NL74345C (en:Method)

Also Published As

Publication number Publication date
FR952558A (fr) 1949-11-21
GB656522A (en) 1951-08-22
CH270673A (de) 1950-09-15
NL74345C (en:Method)

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