SE304890B - - Google Patents
Info
- Publication number
- SE304890B SE304890B SE4392/65A SE439265A SE304890B SE 304890 B SE304890 B SE 304890B SE 4392/65 A SE4392/65 A SE 4392/65A SE 439265 A SE439265 A SE 439265A SE 304890 B SE304890 B SE 304890B
- Authority
- SE
- Sweden
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE4392/65A SE304890B (en:Method) | 1965-04-05 | 1965-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE4392/65A SE304890B (en:Method) | 1965-04-05 | 1965-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE304890B true SE304890B (en:Method) | 1968-10-07 |
Family
ID=20264100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE4392/65A SE304890B (en:Method) | 1965-04-05 | 1965-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE304890B (en:Method) |
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1965
- 1965-04-05 SE SE4392/65A patent/SE304890B/xx unknown