JPS61130613U - - Google Patents
Info
- Publication number
- JPS61130613U JPS61130613U JP991085U JP991085U JPS61130613U JP S61130613 U JPS61130613 U JP S61130613U JP 991085 U JP991085 U JP 991085U JP 991085 U JP991085 U JP 991085U JP S61130613 U JPS61130613 U JP S61130613U
- Authority
- JP
- Japan
- Prior art keywords
- rotary
- rotary bit
- bit
- excavation device
- excavated
- 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
- 238000009412 basement excavation Methods 0.000 claims description 3
Landscapes
- Road Repair (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP991085U JPS61130613U (ru) | 1985-01-29 | 1985-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP991085U JPS61130613U (ru) | 1985-01-29 | 1985-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61130613U true JPS61130613U (ru) | 1986-08-15 |
Family
ID=30490579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP991085U Pending JPS61130613U (ru) | 1985-01-29 | 1985-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61130613U (ru) |
-
1985
- 1985-01-29 JP JP991085U patent/JPS61130613U/ja active Pending