JPS6129829Y2 - - Google Patents
Info
- Publication number
- JPS6129829Y2 JPS6129829Y2 JP15467280U JP15467280U JPS6129829Y2 JP S6129829 Y2 JPS6129829 Y2 JP S6129829Y2 JP 15467280 U JP15467280 U JP 15467280U JP 15467280 U JP15467280 U JP 15467280U JP S6129829 Y2 JPS6129829 Y2 JP S6129829Y2
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- underground
- propulsion device
- main body
- fixed
- 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.)
- Expired
Links
- 238000009412 basement excavation Methods 0.000 description 11
- 239000004575 stone Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15467280U JPS6129829Y2 (enrdf_load_stackoverflow) | 1980-10-28 | 1980-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15467280U JPS6129829Y2 (enrdf_load_stackoverflow) | 1980-10-28 | 1980-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5779689U JPS5779689U (enrdf_load_stackoverflow) | 1982-05-17 |
| JPS6129829Y2 true JPS6129829Y2 (enrdf_load_stackoverflow) | 1986-09-02 |
Family
ID=29513894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15467280U Expired JPS6129829Y2 (enrdf_load_stackoverflow) | 1980-10-28 | 1980-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6129829Y2 (enrdf_load_stackoverflow) |
-
1980
- 1980-10-28 JP JP15467280U patent/JPS6129829Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5779689U (enrdf_load_stackoverflow) | 1982-05-17 |
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