BE377423A - - Google Patents
Info
- Publication number
- BE377423A BE377423A BE377423DA BE377423A BE 377423 A BE377423 A BE 377423A BE 377423D A BE377423D A BE 377423DA BE 377423 A BE377423 A BE 377423A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
- Powder Metallurgy (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE373195X | 1930-02-17 | ||
| DE381576X | 1930-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377423A true BE377423A (en:Method) |
Family
ID=31888934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377423D BE377423A (en:Method) | 1930-02-17 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE377423A (en:Method) |
| FR (1) | FR711383A (en:Method) |
| GB (2) | GB373195A (en:Method) |
-
0
- BE BE377423D patent/BE377423A/xx unknown
-
1931
- 1931-02-17 FR FR711383D patent/FR711383A/fr not_active Expired
- 1931-02-17 GB GB5052/31A patent/GB373195A/en not_active Expired
- 1931-07-07 GB GB14066/32A patent/GB381576A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR711383A (fr) | 1931-09-07 |
| GB373195A (en) | 1932-05-17 |
| GB381576A (en) | 1932-10-07 |