FR632872A - - Google Patents

Info

Publication number
FR632872A
FR632872A FR632872DA FR632872A FR 632872 A FR632872 A FR 632872A FR 632872D A FR632872D A FR 632872DA FR 632872 A FR632872 A FR 632872A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR632872A publication Critical patent/FR632872A/fr
Expired legal-status Critical Current

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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
    • 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
FR632872D Expired FR632872A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR632872A true FR632872A (cg-RX-API-DMAC7.html) 1928-01-16

Family

ID=1541919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR632872D Expired FR632872A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR632872A (cg-RX-API-DMAC7.html)

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