JPH01138604U - - Google Patents
Info
- Publication number
- JPH01138604U JPH01138604U JP3368588U JP3368588U JPH01138604U JP H01138604 U JPH01138604 U JP H01138604U JP 3368588 U JP3368588 U JP 3368588U JP 3368588 U JP3368588 U JP 3368588U JP H01138604 U JPH01138604 U JP H01138604U
- Authority
- JP
- Japan
- Prior art keywords
- tool
- oil hole
- tools
- drilling
- drilling device
- 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 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3368588U JPH01138604U (en]) | 1988-03-16 | 1988-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3368588U JPH01138604U (en]) | 1988-03-16 | 1988-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01138604U true JPH01138604U (en]) | 1989-09-21 |
Family
ID=31260377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3368588U Pending JPH01138604U (en]) | 1988-03-16 | 1988-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138604U (en]) |
-
1988
- 1988-03-16 JP JP3368588U patent/JPH01138604U/ja active Pending
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