PL93251B1 - - Google Patents
Info
- Publication number
- PL93251B1 PL93251B1 PL18167575A PL18167575A PL93251B1 PL 93251 B1 PL93251 B1 PL 93251B1 PL 18167575 A PL18167575 A PL 18167575A PL 18167575 A PL18167575 A PL 18167575A PL 93251 B1 PL93251 B1 PL 93251B1
- Authority
- PL
- Poland
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/20—Methods of underground mining; Layouts therefor for rock salt or potash salt
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (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 |
|---|---|---|---|
| PL181675A PL93251B2 (cs) | 1975-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL181675A PL93251B2 (cs) | 1975-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL93251B1 true PL93251B1 (cs) | 1977-05-30 |
| PL93251B2 PL93251B2 (cs) | 1977-05-31 |