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ES177003A1 - IMPROVEMENTS IN OR RELATIVE TO VACUUM TUBES WITH THE PROCEDURE FOR ITS MANUFACTURE - Google Patents

IMPROVEMENTS IN OR RELATIVE TO VACUUM TUBES WITH THE PROCEDURE FOR ITS MANUFACTURE

Info

Publication number
ES177003A1
ES177003A1 ES177003A ES177003A ES177003A1 ES 177003 A1 ES177003 A1 ES 177003A1 ES 177003 A ES177003 A ES 177003A ES 177003 A ES177003 A ES 177003A ES 177003 A1 ES177003 A1 ES 177003A1
Authority
ES
Spain
Prior art keywords
procedure
manufacture
relative
vacuum tubes
tubes
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
ES177003A
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 ES177003A1 publication Critical patent/ES177003A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/40—Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
ES177003A 1945-03-14 1947-02-28 IMPROVEMENTS IN OR RELATIVE TO VACUUM TUBES WITH THE PROCEDURE FOR ITS MANUFACTURE Expired ES177003A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB644645A GB589580A (en) 1945-03-14 1945-03-14 Improvements in or relating to electron discharge devices

Publications (1)

Publication Number Publication Date
ES177003A1 true ES177003A1 (en) 1947-04-16

Family

ID=9814633

Family Applications (1)

Application Number Title Priority Date Filing Date
ES177003A Expired ES177003A1 (en) 1945-03-14 1947-02-28 IMPROVEMENTS IN OR RELATIVE TO VACUUM TUBES WITH THE PROCEDURE FOR ITS MANUFACTURE

Country Status (2)

Country Link
ES (1) ES177003A1 (en)
GB (1) GB589580A (en)

Also Published As

Publication number Publication date
GB589580A (en) 1947-06-24

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