FR548398A - - Google Patents
Info
- Publication number
- FR548398A FR548398A FR548398DA FR548398A FR 548398 A FR548398 A FR 548398A FR 548398D A FR548398D A FR 548398DA FR 548398 A FR548398 A FR 548398A
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
- H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR548398A true FR548398A (xx) | 1923-01-13 |
Family
ID=1538157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR548398D Expired FR548398A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR548398A (xx) |
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0
- FR FR548398D patent/FR548398A/fr not_active Expired