FR636647A - - Google Patents
Info
- Publication number
- FR636647A FR636647A FR636647DA FR636647A FR 636647 A FR636647 A FR 636647A FR 636647D A FR636647D A FR 636647DA FR 636647 A FR636647 A FR 636647A
- 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
- H01T13/00—Sparking plugs
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR636647A true FR636647A (en) | 1928-04-13 |
Family
ID=1542485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR636647D Expired FR636647A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR636647A (en) |
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0
- FR FR636647D patent/FR636647A/fr not_active Expired