FR742455A - - Google Patents
Info
- Publication number
- FR742455A FR742455A FR742455DA FR742455A FR 742455 A FR742455 A FR 742455A FR 742455D A FR742455D A FR 742455DA FR 742455 A FR742455 A FR 742455A
- 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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742455A true FR742455A (el) | 1933-03-08 |
Family
ID=1546859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742455D Expired FR742455A (el) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742455A (el) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2625619A (en) * | 1948-08-07 | 1953-01-13 | Mcgraw Electric Co | Transformer tap changer |
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0
- FR FR742455D patent/FR742455A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2625619A (en) * | 1948-08-07 | 1953-01-13 | Mcgraw Electric Co | Transformer tap changer |