NL21726C - - Google Patents
Info
- Publication number
- NL21726C NL21726C NL38733A NL38733A NL21726C NL 21726 C NL21726 C NL 21726C NL 38733 A NL38733 A NL 38733A NL 38733 A NL38733 A NL 38733A NL 21726 C NL21726 C NL 21726C
- Authority
- NL
- Netherlands
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
- H01H33/55—Oil reservoirs or tanks; Lowering means therefor
- H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL38733A NL21726C (en(2012)) | 1930-05-15 | 1930-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL38733A NL21726C (en(2012)) | 1930-05-15 | 1930-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21726C true NL21726C (en(2012)) | 1930-05-15 |
Family
ID=1788358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL38733A NL21726C (en(2012)) | 1930-05-15 | 1930-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL21726C (en(2012)) |
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1930
- 1930-05-15 NL NL38733A patent/NL21726C/xx active