IN170413B - - Google Patents
Info
- Publication number
- IN170413B IN170413B IN100/MAS/88A IN100MA1988A IN170413B IN 170413 B IN170413 B IN 170413B IN 100MA1988 A IN100MA1988 A IN 100MA1988A IN 170413 B IN170413 B IN 170413B
- Authority
- IN
- India
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D3/00—Raising shafts, i.e. working upwards from the bottom
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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8701161A SE454613B (en) | 1987-03-20 | 1987-03-20 | Upward rock drilling equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
IN170413B true IN170413B (en) | 1992-03-21 |
Family
ID=20367927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN100/MAS/88A IN170413B (en) | 1987-03-20 | 1988-02-17 |
Country Status (2)
Country | Link |
---|---|
IN (1) | IN170413B (en) |
SE (2) | SE454613B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE502693C2 (en) * | 1994-04-29 | 1995-12-11 | Alimak Ab | Methods and apparatus for quarrying |
-
1987
- 1987-03-20 SE SE8701161A patent/SE454613B/en not_active IP Right Cessation
- 1987-12-09 SE SE8704911A patent/SE8704911L/en not_active Application Discontinuation
-
1988
- 1988-02-17 IN IN100/MAS/88A patent/IN170413B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE454613B (en) | 1988-05-16 |
SE8704911L (en) | 1988-09-21 |
SE8701161D0 (en) | 1987-03-20 |
SE8704911D0 (en) | 1987-12-09 |