PL87263B1 - - Google Patents
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- Publication number
- PL87263B1 PL87263B1 PL16998574A PL16998574A PL87263B1 PL 87263 B1 PL87263 B1 PL 87263B1 PL 16998574 A PL16998574 A PL 16998574A PL 16998574 A PL16998574 A PL 16998574A PL 87263 B1 PL87263 B1 PL 87263B1
- Authority
- PL
- Poland
- Prior art keywords
- ceiling
- holes
- rods
- suspended
- direct
- Prior art date
Links
- 238000009412 basement excavation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 claims 1
- 238000005065 mining Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16998574A PL87263B1 (enFirst) | 1974-04-01 | 1974-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16998574A PL87263B1 (enFirst) | 1974-04-01 | 1974-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL87263B1 true PL87263B1 (enFirst) | 1976-06-30 |
Family
ID=19966710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL16998574A PL87263B1 (enFirst) | 1974-04-01 | 1974-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL87263B1 (enFirst) |
-
1974
- 1974-04-01 PL PL16998574A patent/PL87263B1/pl unknown
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