FR957674A - - Google Patents
Info
- Publication number
- FR957674A FR957674A FR957674DA FR957674A FR 957674 A FR957674 A FR 957674A FR 957674D A FR957674D A FR 957674DA FR 957674 A FR957674 A FR 957674A
- 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
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL613844X | 1943-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR957674A true FR957674A (en) | 1950-02-23 |
Family
ID=19788186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR957674D Expired FR957674A (en) | 1943-04-15 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE613844A (en) |
| FR (1) | FR957674A (en) |
| GB (1) | GB613844A (en) |
| NL (3) | NL115274B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578877B (en) * | 2013-11-08 | 2015-09-23 | 沈阳工业大学 | Ultrahigh speed mechanical switch |
-
0
- NL NL70115D patent/NL70115C/xx active
- NL NL68383D patent/NL68383C/xx active
- NL NL115274D patent/NL115274B/xx unknown
- FR FR957674D patent/FR957674A/fr not_active Expired
-
1945
- 1945-11-16 GB GB30738/45A patent/GB613844A/en not_active Expired
-
1962
- 1962-02-13 BE BE613844A patent/BE613844A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE613844A (en) | 1962-05-29 |
| NL68383C (en) | |
| NL70115C (en) | |
| GB613844A (en) | 1948-12-03 |
| NL115274B (en) |