FR741702A - - Google Patents
Info
- Publication number
- FR741702A FR741702A FR741702DA FR741702A FR 741702 A FR741702 A FR 741702A FR 741702D A FR741702D A FR 741702DA FR 741702 A FR741702 A FR 741702A
- 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
- H01T13/39—Selection of materials for electrodes
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR741702A true FR741702A (me) | 1933-02-18 |
Family
ID=1546199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR741702D Expired FR741702A (me) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR741702A (me) |
-
0
- FR FR741702D patent/FR741702A/fr not_active Expired