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FR638923A - Perfectionnements aux soupapes électriques - Google Patents

Perfectionnements aux soupapes électriques

Info

Publication number
FR638923A
FR638923A FR638923DA FR638923A FR 638923 A FR638923 A FR 638923A FR 638923D A FR638923D A FR 638923DA FR 638923 A FR638923 A FR 638923A
Authority
FR
France
Prior art keywords
electric valves
valves
electric
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR638923A publication Critical patent/FR638923A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
FR638923D 1926-12-30 1926-12-30 Perfectionnements aux soupapes électriques Expired FR638923A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638923T 1926-12-30

Publications (1)

Publication Number Publication Date
FR638923A true FR638923A (fr) 1928-06-07

Family

ID=8996373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638923D Expired FR638923A (fr) 1926-12-30 1926-12-30 Perfectionnements aux soupapes électriques

Country Status (1)

Country Link
FR (1) FR638923A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746369C (de) * 1937-06-03 1944-08-03 Gustav Walta Mechanisch gesteuertes Elektronenrohr

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746369C (de) * 1937-06-03 1944-08-03 Gustav Walta Mechanisch gesteuertes Elektronenrohr

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