PL72310B2 - - Google Patents
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- Publication number
- PL72310B2 PL72310B2 PL14790871A PL14790871A PL72310B2 PL 72310 B2 PL72310 B2 PL 72310B2 PL 14790871 A PL14790871 A PL 14790871A PL 14790871 A PL14790871 A PL 14790871A PL 72310 B2 PL72310 B2 PL 72310B2
- Authority
- PL
- Poland
- Prior art keywords
- steel
- dam
- casing
- wooden
- logs
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000009412 basement excavation Methods 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Revetment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL14790871A PL72310B2 (enExample) | 1971-05-03 | 1971-05-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL14790871A PL72310B2 (enExample) | 1971-05-03 | 1971-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL72310B2 true PL72310B2 (enExample) | 1974-06-29 |
Family
ID=19954243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14790871A PL72310B2 (enExample) | 1971-05-03 | 1971-05-03 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL72310B2 (enExample) |
-
1971
- 1971-05-03 PL PL14790871A patent/PL72310B2/pl unknown
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