BE693998A - - Google Patents
Info
- Publication number
- BE693998A BE693998A BE693998DA BE693998A BE 693998 A BE693998 A BE 693998A BE 693998D A BE693998D A BE 693998DA BE 693998 A BE693998 A BE 693998A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/24—One-part threshing concaves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Tents Or Canopies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB652766A GB1179233A (en) | 1966-02-15 | 1966-02-15 | Improvements in or relating to Fluid Operated Roof Supports. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE693998A true BE693998A (en) | 1967-07-17 |
Family
ID=9816135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE693998D BE693998A (en) | 1966-02-15 | 1967-02-13 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE693998A (en) |
| FR (1) | FR1511459A (en) |
| GB (1) | GB1179233A (en) |
| NL (1) | NL6702204A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8328281D0 (en) * | 1983-10-22 | 1983-11-23 | Dobson Park Ind | Mine roof supports |
-
1966
- 1966-02-15 GB GB652766A patent/GB1179233A/en not_active Expired
-
1967
- 1967-02-13 BE BE693998D patent/BE693998A/xx unknown
- 1967-02-14 NL NL6702204A patent/NL6702204A/xx unknown
- 1967-02-15 FR FR95063A patent/FR1511459A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6702204A (en) | 1967-08-16 |
| FR1511459A (en) | 1968-01-26 |
| GB1179233A (en) | 1970-01-28 |