FR1014489A - Perfectionnements apportés aux valves thermioniques - Google Patents

Perfectionnements apportés aux valves thermioniques

Info

Publication number
FR1014489A
FR1014489A FR1014489DA FR1014489A FR 1014489 A FR1014489 A FR 1014489A FR 1014489D A FR1014489D A FR 1014489DA FR 1014489 A FR1014489 A FR 1014489A
Authority
FR
France
Prior art keywords
thermionic valves
thermionic
valves
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
English (en)
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.)
Hivac Ltd
Original Assignee
Hivac Ltd
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 Hivac Ltd filed Critical Hivac Ltd
Application granted granted Critical
Publication of FR1014489A publication Critical patent/FR1014489A/fr
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
FR1014489D 1946-03-21 1947-03-21 Perfectionnements apportés aux valves thermioniques Expired FR1014489A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1014489X 1946-03-21

Publications (1)

Publication Number Publication Date
FR1014489A true FR1014489A (fr) 1952-08-18

Family

ID=10868032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014489D Expired FR1014489A (fr) 1946-03-21 1947-03-21 Perfectionnements apportés aux valves thermioniques

Country Status (1)

Country Link
FR (1) FR1014489A (fr)

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