NL251784A - - Google Patents

Info

Publication number
NL251784A
NL251784A NL251784DA NL251784A NL 251784 A NL251784 A NL 251784A NL 251784D A NL251784D A NL 251784DA NL 251784 A NL251784 A NL 251784A
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 NL251784A publication Critical patent/NL251784A/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
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22Heaters
NL251784D 1959-10-15 NL251784A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU885629X 1959-10-15

Publications (1)

Publication Number Publication Date
NL251784A true NL251784A (en:Method)

Family

ID=10980822

Family Applications (1)

Application Number Title Priority Date Filing Date
NL251784D NL251784A (en:Method) 1959-10-15

Country Status (2)

Country Link
GB (1) GB885629A (en:Method)
NL (1) NL251784A (en:Method)

Also Published As

Publication number Publication date
GB885629A (en) 1961-12-28

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