NL40189C - - Google Patents

Info

Publication number
NL40189C
NL40189C NL40189DA NL40189C NL 40189 C NL40189 C NL 40189C NL 40189D A NL40189D A NL 40189DA NL 40189 C NL40189 C NL 40189C
Authority
NL
Netherlands
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 NL40189C publication Critical patent/NL40189C/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)
NL40189D 1931-09-15 NL40189C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE395537X 1931-09-15

Publications (1)

Publication Number Publication Date
NL40189C true NL40189C (en:Method)

Family

ID=6396858

Family Applications (1)

Application Number Title Priority Date Filing Date
NL40189D NL40189C (en:Method) 1931-09-15

Country Status (4)

Country Link
US (1) US2049811A (en:Method)
FR (1) FR742822A (en:Method)
GB (1) GB395537A (en:Method)
NL (1) NL40189C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274464A (en:Method) * 1961-02-07

Also Published As

Publication number Publication date
US2049811A (en) 1936-08-04
FR742822A (en:Method) 1933-03-17
GB395537A (en) 1933-07-20

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