ES177018A1 - IMPROVEMENTS IN OR RELATIVE TO TERMIUM VALVES - Google Patents

IMPROVEMENTS IN OR RELATIVE TO TERMIUM VALVES

Info

Publication number
ES177018A1
ES177018A1 ES177018A ES177018A ES177018A1 ES 177018 A1 ES177018 A1 ES 177018A1 ES 177018 A ES177018 A ES 177018A ES 177018 A ES177018 A ES 177018A ES 177018 A1 ES177018 A1 ES 177018A1
Authority
ES
Spain
Prior art keywords
termium
valves
relative
termium valves
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES177018A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES177018A1 publication Critical patent/ES177018A1/en
Expired legal-status Critical Current

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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/40—Screens for shielding
ES177018A 1939-07-07 1947-02-28 IMPROVEMENTS IN OR RELATIVE TO TERMIUM VALVES Expired ES177018A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1983939A GB531628A (en) 1939-07-07 1939-07-07 Improvements in or relating to thermionic valves

Publications (1)

Publication Number Publication Date
ES177018A1 true ES177018A1 (en) 1947-04-16

Family

ID=10136084

Family Applications (1)

Application Number Title Priority Date Filing Date
ES177018A Expired ES177018A1 (en) 1939-07-07 1947-02-28 IMPROVEMENTS IN OR RELATIVE TO TERMIUM VALVES

Country Status (2)

Country Link
ES (1) ES177018A1 (en)
GB (1) GB531628A (en)

Also Published As

Publication number Publication date
GB531628A (en) 1941-01-08

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