FR34711E - - Google Patents
Info
- Publication number
- FR34711E FR34711E FR34711DA FR34711E FR 34711 E FR34711 E FR 34711E FR 34711D A FR34711D A FR 34711DA FR 34711 E FR34711 E FR 34711E
- 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
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L14/00—Electric lighting devices without a self-contained power source, e.g. for mains connection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/05—Two-pole devices
- H01R33/22—Two-pole devices for screw type base, e.g. for lamp
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR34711E true FR34711E (ru) | 1929-09-19 |
Family
ID=1362591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR34711D Expired FR34711E (ru) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR34711E (ru) |
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0
- FR FR34711D patent/FR34711E/fr not_active Expired