JPH0329216U - - Google Patents
Info
- Publication number
- JPH0329216U JPH0329216U JP8980289U JP8980289U JPH0329216U JP H0329216 U JPH0329216 U JP H0329216U JP 8980289 U JP8980289 U JP 8980289U JP 8980289 U JP8980289 U JP 8980289U JP H0329216 U JPH0329216 U JP H0329216U
- Authority
- JP
- Japan
- Prior art keywords
- drilling machine
- drilling
- main pipe
- attached
- live
- 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 description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 2
Landscapes
- Drilling And Boring (AREA)
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8980289U JPH0329216U (enExample) | 1989-08-01 | 1989-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8980289U JPH0329216U (enExample) | 1989-08-01 | 1989-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329216U true JPH0329216U (enExample) | 1991-03-22 |
Family
ID=31639360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8980289U Pending JPH0329216U (enExample) | 1989-08-01 | 1989-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329216U (enExample) |
-
1989
- 1989-08-01 JP JP8980289U patent/JPH0329216U/ja active Pending
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