FR740324A - Improvements to electronic tubes - Google Patents

Improvements to electronic tubes

Info

Publication number
FR740324A
FR740324A FR740324DA FR740324A FR 740324 A FR740324 A FR 740324A FR 740324D A FR740324D A FR 740324DA FR 740324 A FR740324 A FR 740324A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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)
Inventor
Louis-Joseph Ducotte
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 filed Critical
Application granted granted Critical
Publication of FR740324A publication Critical patent/FR740324A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
FR740324D 1932-07-13 1932-07-13 Improvements to electronic tubes Expired FR740324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR740324T 1932-07-13

Publications (1)

Publication Number Publication Date
FR740324A true FR740324A (en) 1933-01-24

Family

ID=9134286

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740324D Expired FR740324A (en) 1932-07-13 1932-07-13 Improvements to electronic tubes

Country Status (1)

Country Link
FR (1) FR740324A (en)

Similar Documents

Publication Publication Date Title
FR781427A (en) Improvements to electronic tubes
FR747934A (en) Improvements to crystallizers
FR773088A (en) Electronic tubes
FR750356A (en) Improvements to differential transformers
FR752652A (en) Improvements to taps
FR740324A (en) Improvements to electronic tubes
FR729781A (en) Improvements to bicycles
FR732649A (en) Improvements to taps
FR749053A (en) Improvements to electronic lamps
FR756969A (en) Electronic tubes
FR42187E (en) Improvements made to cremones
FR758812A (en) Improvements to pipes
FR738706A (en) Improvements to pipes
FR731756A (en) Improvements to electronic tubes
FR749353A (en) Improvements to taps
FR739777A (en) Improvements to grinding tubes
FR715430A (en) Improvements to electronic tubes
FR752391A (en) Improvements to manometers
FR782344A (en) Electronic tubes
FR737349A (en) Improvements made to tampons
FR773477A (en) Improvements to economizers
FR753772A (en) Improvements to electronic grid-screen lamps
FR747301A (en) Improvements to carburates
FR736935A (en) Improvements made to velocimanes
FR758481A (en) Improvements to manifolds