JPS645997U - - Google Patents
Info
- Publication number
- JPS645997U JPS645997U JP10139887U JP10139887U JPS645997U JP S645997 U JPS645997 U JP S645997U JP 10139887 U JP10139887 U JP 10139887U JP 10139887 U JP10139887 U JP 10139887U JP S645997 U JPS645997 U JP S645997U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- support frame
- excavator
- preventing collapse
- excavator body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10139887U JPS645997U (cs) | 1987-07-01 | 1987-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10139887U JPS645997U (cs) | 1987-07-01 | 1987-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645997U true JPS645997U (cs) | 1989-01-13 |
Family
ID=31330352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10139887U Pending JPS645997U (cs) | 1987-07-01 | 1987-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645997U (cs) |
-
1987
- 1987-07-01 JP JP10139887U patent/JPS645997U/ja active Pending
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