NL89857C - - Google Patents

Info

Publication number
NL89857C
NL89857C NL89857DA NL89857C NL 89857 C NL89857 C NL 89857C NL 89857D A NL89857D A NL 89857DA NL 89857 C NL89857 C NL 89857C
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 NL89857C publication Critical patent/NL89857C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
    • 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)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Solid Thermionic Cathode (AREA)
  • Cosmetics (AREA)
NL89857D 1949-05-11 NL89857C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU281264X 1949-05-11

Publications (1)

Publication Number Publication Date
NL89857C true NL89857C (ja)

Family

ID=10978688

Family Applications (3)

Application Number Title Priority Date Filing Date
NLAANVRAGE7706385,A NL175814B (nl) 1949-05-11 Werkwijze voor de bereiding van een radiologisch preparaat en voor de bereiding van een daarin te gebruiken trijoodisoftaalamide.
NL89857D NL89857C (ja) 1949-05-11
NL95833D NL95833C (ja) 1949-05-11

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7706385,A NL175814B (nl) 1949-05-11 Werkwijze voor de bereiding van een radiologisch preparaat en voor de bereiding van een daarin te gebruiken trijoodisoftaalamide.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL95833D NL95833C (ja) 1949-05-11

Country Status (4)

Country Link
CH (2) CH281264A (ja)
FR (2) FR1008217A (ja)
GB (1) GB673438A (ja)
NL (3) NL95833C (ja)

Also Published As

Publication number Publication date
FR1008217A (fr) 1952-05-15
FR63699E (fr) 1955-09-30
CH314200A (de) 1956-05-31
NL95833C (ja)
NL175814B (nl)
GB673438A (en) 1952-06-04
CH281264A (de) 1952-02-29

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