NL31985C - - Google Patents

Info

Publication number
NL31985C
NL31985C NL31985DA NL31985C NL 31985 C NL31985 C NL 31985C NL 31985D A NL31985D A NL 31985DA NL 31985 C NL31985 C NL 31985C
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 NL31985C publication Critical patent/NL31985C/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)
NL31985D 1931-02-02 NL31985C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL732327X 1931-02-02

Publications (1)

Publication Number Publication Date
NL31985C true NL31985C (en:Method)

Family

ID=19820300

Family Applications (1)

Application Number Title Priority Date Filing Date
NL31985D NL31985C (en:Method) 1931-02-02

Country Status (2)

Country Link
FR (1) FR732327A (en:Method)
NL (1) NL31985C (en:Method)

Also Published As

Publication number Publication date
FR732327A (fr) 1932-09-19

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