JPH025484U - - Google Patents
Info
- Publication number
- JPH025484U JPH025484U JP8051988U JP8051988U JPH025484U JP H025484 U JPH025484 U JP H025484U JP 8051988 U JP8051988 U JP 8051988U JP 8051988 U JP8051988 U JP 8051988U JP H025484 U JPH025484 U JP H025484U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- bucket
- casing
- view
- excavating
- 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
- 238000005553 drilling Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8051988U JPH025484U (cs) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8051988U JPH025484U (cs) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025484U true JPH025484U (cs) | 1990-01-16 |
Family
ID=31305344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8051988U Pending JPH025484U (cs) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025484U (cs) |
-
1988
- 1988-06-20 JP JP8051988U patent/JPH025484U/ja active Pending
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