DK57923C - Elektrisk Udladningsrør samt Fremgangsmaade til dets Fremstilling. - Google Patents

Elektrisk Udladningsrør samt Fremgangsmaade til dets Fremstilling.

Info

Publication number
DK57923C
DK57923C DK57923DA DK57923C DK 57923 C DK57923 C DK 57923C DK 57923D A DK57923D A DK 57923DA DK 57923 C DK57923 C DK 57923C
Authority
DK
Denmark
Prior art keywords
procedure
manufacture
discharge pipe
electrical discharge
electrical
Prior art date
Application number
Other languages
English (en)
Original Assignee
Philips Nv
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK57923C publication Critical patent/DK57923C/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0023—Manufacture carbonising and other surface treatments
DK57923D 1938-03-25 1939-03-22 Elektrisk Udladningsrør samt Fremgangsmaade til dets Fremstilling. DK57923C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE510940X 1938-03-25

Publications (1)

Publication Number Publication Date
DK57923C true DK57923C (da) 1940-08-26

Family

ID=6547591

Family Applications (1)

Application Number Title Priority Date Filing Date
DK57923D DK57923C (da) 1938-03-25 1939-03-22 Elektrisk Udladningsrør samt Fremgangsmaade til dets Fremstilling.

Country Status (3)

Country Link
DK (1) DK57923C (da)
FR (1) FR852032A (da)
GB (1) GB510940A (da)

Also Published As

Publication number Publication date
FR852032A (fr) 1940-01-22
GB510940A (en) 1939-08-10

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