FR637669A - Improvements in the manufacture of multi-electrode lamps - Google Patents

Improvements in the manufacture of multi-electrode lamps

Info

Publication number
FR637669A
FR637669A FR637669DA FR637669A FR 637669 A FR637669 A FR 637669A FR 637669D A FR637669D A FR 637669DA FR 637669 A FR637669 A FR 637669A
Authority
FR
France
Prior art keywords
manufacture
electrode lamps
lamps
electrode
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
Other languages
French (fr)
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.)
Radiotechnique SA
Original Assignee
Radiotechnique 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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR637669A publication Critical patent/FR637669A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/36—Tubes with flat electrodes, e.g. disc electrode
FR637669D 1926-11-19 1926-11-19 Improvements in the manufacture of multi-electrode lamps Expired FR637669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR637669T 1926-11-19

Publications (1)

Publication Number Publication Date
FR637669A true FR637669A (en) 1928-05-05

Family

ID=8995476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR637669D Expired FR637669A (en) 1926-11-19 1926-11-19 Improvements in the manufacture of multi-electrode lamps

Country Status (1)

Country Link
FR (1) FR637669A (en)

Similar Documents

Publication Publication Date Title
FR645069A (en) Improvements in the manufacture of round tiles
FR572903A (en) Further development in the construction of multi-electrode lamps
FR638554A (en) Improvements in the manufacture of multi-electrode lamps
FR637669A (en) Improvements in the manufacture of multi-electrode lamps
FR598395A (en) Improvements in the construction of multi-electrode lamps
FR616685A (en) Improvements in shoe making
FR30210E (en) Improvements in the construction of multi-electrode lamps
FR576804A (en) Improvements in the construction of multi-electrode lamps
FR639932A (en) Improvement in the manufacture of snowshoes
FR594288A (en) Improvements in the manufacture of glued-soled shoes
FR631631A (en) Improvements in the manufacture of triodes and other lamps with several electrodes
FR647244A (en) Improvements to multi-electrode lamps
FR625015A (en) Improvements in the manufacture of rims
FR709551A (en) Improvement in the manufacture of umbrellas
FR641921A (en) Improvements to multi-electrode lamps
FR641386A (en) Improvement in the manufacture of espadrilles
FR620356A (en) Further training in the manufacture of ceramic materials
FR576432A (en) Improvements in the manufacture of collars
FR33707E (en) Improvements in the manufacture of triodes and other lamps with several electrodes
FR29238E (en) Improvements in the manufacture of strappy shoes
FR664322A (en) Improvements in the manufacture of incandescent lamps
FR624163A (en) Improvements in the manufacture of display cases
FR623775A (en) Improvements in the manufacture of wheels
FR627828A (en) Improvements in the manufacture of cellulose derivatives
FR568188A (en) Improvements made in the manufacture of bracelets