JPH01163011U - - Google Patents
Info
- Publication number
- JPH01163011U JPH01163011U JP5718088U JP5718088U JPH01163011U JP H01163011 U JPH01163011 U JP H01163011U JP 5718088 U JP5718088 U JP 5718088U JP 5718088 U JP5718088 U JP 5718088U JP H01163011 U JPH01163011 U JP H01163011U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- extrusion plate
- perforating
- perforation
- tip
- 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
- 238000001125 extrusion Methods 0.000 claims description 4
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5718088U JPH01163011U (lv) | 1988-04-27 | 1988-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5718088U JPH01163011U (lv) | 1988-04-27 | 1988-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01163011U true JPH01163011U (lv) | 1989-11-14 |
Family
ID=31283035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5718088U Pending JPH01163011U (lv) | 1988-04-27 | 1988-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01163011U (lv) |
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1988
- 1988-04-27 JP JP5718088U patent/JPH01163011U/ja active Pending