FR28173E - Perfectionnements aux appareils thermoïoniques - Google Patents

Perfectionnements aux appareils thermoïoniques

Info

Publication number
FR28173E
FR28173E FR28173DA FR28173E FR 28173 E FR28173 E FR 28173E FR 28173D A FR28173D A FR 28173DA FR 28173 E FR28173 E FR 28173E
Authority
FR
France
Prior art keywords
thermionic devices
thermionic
devices
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)
Inventor
Fernand Holweck
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 FR28173E publication Critical patent/FR28173E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/50—Repairing or regenerating used or defective discharge tubes or lamps
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR28173D 1923-09-03 1923-09-03 Perfectionnements aux appareils thermoïoniques Expired FR28173E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28173T 1923-09-03

Publications (1)

Publication Number Publication Date
FR28173E true FR28173E (fr) 1925-01-24

Family

ID=8666387

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28173D Expired FR28173E (fr) 1923-09-03 1923-09-03 Perfectionnements aux appareils thermoïoniques

Country Status (1)

Country Link
FR (1) FR28173E (fr)

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