BR7706731A - Aperfeicoamento em aparelho de mineracao - Google Patents
Aperfeicoamento em aparelho de mineracaoInfo
- Publication number
- BR7706731A BR7706731A BR7706731A BR7706731A BR7706731A BR 7706731 A BR7706731 A BR 7706731A BR 7706731 A BR7706731 A BR 7706731A BR 7706731 A BR7706731 A BR 7706731A BR 7706731 A BR7706731 A BR 7706731A
- Authority
- BR
- Brazil
- Prior art keywords
- improvement
- mining equipment
- mining
- equipment
- Prior art date
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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/04—Distributing means for power supply in mines
- E21F17/06—Distributing electric power; Cable networks; Conduits for cables
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4208176A GB1554951A (en) | 1976-10-09 | 1976-10-09 | Mining apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7706731A true BR7706731A (pt) | 1978-07-11 |
Family
ID=10422765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7706731A BR7706731A (pt) | 1976-10-09 | 1977-10-07 | Aperfeicoamento em aparelho de mineracao |
Country Status (4)
Country | Link |
---|---|
BR (1) | BR7706731A (pt) |
DE (1) | DE2745260A1 (pt) |
GB (1) | GB1554951A (pt) |
PL (1) | PL201378A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200036A (en) * | 1978-11-07 | 1980-04-29 | The United States Of America As Represented By The Secretary Of The Interior | Ventilation system for automated mining machines |
GB2255362A (en) * | 1991-04-29 | 1992-11-04 | Tamrock World Corp | Fiber optic remote control system |
-
1976
- 1976-10-09 GB GB4208176A patent/GB1554951A/en not_active Expired
-
1977
- 1977-10-07 DE DE19772745260 patent/DE2745260A1/de active Pending
- 1977-10-07 BR BR7706731A patent/BR7706731A/pt unknown
- 1977-10-08 PL PL20137877A patent/PL201378A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1554951A (en) | 1979-10-31 |
DE2745260A1 (de) | 1978-04-13 |
PL201378A1 (pl) | 1978-11-20 |
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