HU163276B - - Google Patents
Info
- Publication number
- HU163276B HU163276B HUGU000289A HU163276B HU 163276 B HU163276 B HU 163276B HU GU000289 A HUGU000289 A HU GU000289A HU 163276 B HU163276 B HU 163276B
- Authority
- HU
- Hungary
Links
Classifications
-
- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
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)
- Actuator (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2018747 | 1970-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU163276B true HU163276B (en:Method) | 1973-07-28 |
Family
ID=5768480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUGU000289 HU163276B (en:Method) | 1970-04-18 | 1971-04-16 |
Country Status (3)
| Country | Link |
|---|---|
| GB (1) | GB1330115A (en:Method) |
| HU (1) | HU163276B (en:Method) |
| PL (1) | PL71123B1 (en:Method) |
-
1971
- 1971-04-16 PL PL14760371A patent/PL71123B1/pl unknown
- 1971-04-16 HU HUGU000289 patent/HU163276B/hu unknown
- 1971-04-19 GB GB2483671A patent/GB1330115A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| PL71123B1 (en:Method) | 1974-04-30 |
| GB1330115A (en) | 1973-09-12 |