FR49582E - Perfectionnements aux valves thermioniques - Google Patents
Perfectionnements aux valves thermioniquesInfo
- Publication number
- FR49582E FR49582E FR49582DA FR49582E FR 49582 E FR49582 E FR 49582E FR 49582D A FR49582D A FR 49582DA FR 49582 E FR49582 E FR 49582E
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR49582T | 1938-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR49582E true FR49582E (fr) | 1939-05-11 |
Family
ID=8684732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR49582D Expired FR49582E (fr) | 1938-06-17 | 1938-06-17 | Perfectionnements aux valves thermioniques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR49582E (fr) |
-
1938
- 1938-06-17 FR FR49582D patent/FR49582E/fr not_active Expired
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