PL80049B2 - - Google Patents
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- Publication number
- PL80049B2 PL80049B2 PL16643273A PL16643273A PL80049B2 PL 80049 B2 PL80049 B2 PL 80049B2 PL 16643273 A PL16643273 A PL 16643273A PL 16643273 A PL16643273 A PL 16643273A PL 80049 B2 PL80049 B2 PL 80049B2
- Authority
- PL
- Poland
- Prior art keywords
- dam
- roof beam
- stretched
- angle
- supporting stand
- Prior art date
Links
- 238000009412 basement excavation Methods 0.000 claims description 9
- 239000011800 void material Substances 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims description 5
- 210000002435 tendon Anatomy 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Emergency Lowering Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16643273A PL80049B2 (cs) | 1973-11-08 | 1973-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16643273A PL80049B2 (cs) | 1973-11-08 | 1973-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL80049B2 true PL80049B2 (cs) | 1975-08-30 |
Family
ID=19964758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL16643273A PL80049B2 (cs) | 1973-11-08 | 1973-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL80049B2 (cs) |
-
1973
- 1973-11-08 PL PL16643273A patent/PL80049B2/pl unknown
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