NL31934C - - Google Patents

Info

Publication number
NL31934C
NL31934C NL31934DA NL31934C NL 31934 C NL31934 C NL 31934C NL 31934D A NL31934D A NL 31934DA NL 31934 C NL31934 C NL 31934C
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 NL31934C publication Critical patent/NL31934C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
NL31934D 1928-09-25 NL31934C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL710006X 1928-09-25

Publications (1)

Publication Number Publication Date
NL31934C true NL31934C (en)

Family

ID=19812186

Family Applications (1)

Application Number Title Priority Date Filing Date
NL31934D NL31934C (en) 1928-09-25

Country Status (1)

Country Link
NL (1) NL31934C (en)

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