FR690486A - - Google Patents
Info
- Publication number
- FR690486A FR690486A FR690486DA FR690486A FR 690486 A FR690486 A FR 690486A FR 690486D A FR690486D A FR 690486DA FR 690486 A FR690486 A FR 690486A
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE354288X | 1929-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR690486A true FR690486A (en) | 1930-10-08 |
Family
ID=6287620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR690486D Expired FR690486A (en) | 1929-03-20 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE367785A (en) |
| FR (1) | FR690486A (en) |
| GB (1) | GB354288A (en) |
-
0
- BE BE367785D patent/BE367785A/xx unknown
- FR FR690486D patent/FR690486A/fr not_active Expired
-
1930
- 1930-02-01 GB GB3499/30A patent/GB354288A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB354288A (en) | 1931-08-04 |
| BE367785A (en) |