BE449680A - - Google Patents

Info

Publication number
BE449680A
BE449680A BE449680DA BE449680A BE 449680 A BE449680 A BE 449680A BE 449680D A BE449680D A BE 449680DA BE 449680 A BE449680 A BE 449680A
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 BE449680A publication Critical patent/BE449680A/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)
BE449680D 1942-05-14 BE449680A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE892099X 1942-05-14

Publications (1)

Publication Number Publication Date
BE449680A true BE449680A (en:Method)

Family

ID=6846181

Family Applications (1)

Application Number Title Priority Date Filing Date
BE449680D BE449680A (en:Method) 1942-05-14

Country Status (2)

Country Link
BE (1) BE449680A (en:Method)
FR (1) FR892099A (en:Method)

Also Published As

Publication number Publication date
FR892099A (fr) 1944-03-28

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