FR879500A - - Google Patents

Info

Publication number
FR879500A
FR879500A FR879500DA FR879500A FR 879500 A FR879500 A FR 879500A FR 879500D A FR879500D A FR 879500DA FR 879500 A FR879500 A FR 879500A
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 FR879500A publication Critical patent/FR879500A/fr
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
    • H01J19/38—Control electrodes, e.g. grid
FR879500D Expired FR879500A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
FR879500A true FR879500A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1943-03-05

Family

ID=1556063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879500D Expired FR879500A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
FR (1) FR879500A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501002A (en) * 1946-10-26 1950-03-21 Sylvania Electric Prod Control grid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501002A (en) * 1946-10-26 1950-03-21 Sylvania Electric Prod Control grid

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