JPH03119097U - - Google Patents
Info
- Publication number
- JPH03119097U JPH03119097U JP2643990U JP2643990U JPH03119097U JP H03119097 U JPH03119097 U JP H03119097U JP 2643990 U JP2643990 U JP 2643990U JP 2643990 U JP2643990 U JP 2643990U JP H03119097 U JPH03119097 U JP H03119097U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- crushing machine
- tunnel wall
- wall crushing
- hydraulic cylinder
- 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
Landscapes
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2643990U JPH03119097U (en]) | 1990-03-15 | 1990-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2643990U JPH03119097U (en]) | 1990-03-15 | 1990-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119097U true JPH03119097U (en]) | 1991-12-09 |
Family
ID=31529329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2643990U Pending JPH03119097U (en]) | 1990-03-15 | 1990-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119097U (en]) |
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1990
- 1990-03-15 JP JP2643990U patent/JPH03119097U/ja active Pending