JPH0329589U - - Google Patents
Info
- Publication number
- JPH0329589U JPH0329589U JP8867989U JP8867989U JPH0329589U JP H0329589 U JPH0329589 U JP H0329589U JP 8867989 U JP8867989 U JP 8867989U JP 8867989 U JP8867989 U JP 8867989U JP H0329589 U JPH0329589 U JP H0329589U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- screw plate
- cutting edge
- tip
- head
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8867989U JPH0329589U (zh) | 1989-07-27 | 1989-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8867989U JPH0329589U (zh) | 1989-07-27 | 1989-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329589U true JPH0329589U (zh) | 1991-03-25 |
Family
ID=31638276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8867989U Pending JPH0329589U (zh) | 1989-07-27 | 1989-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329589U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015001112A (ja) * | 2013-06-17 | 2015-01-05 | 株式会社丸和技研 | ケーシングビット及びケーシングパイプ |
-
1989
- 1989-07-27 JP JP8867989U patent/JPH0329589U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015001112A (ja) * | 2013-06-17 | 2015-01-05 | 株式会社丸和技研 | ケーシングビット及びケーシングパイプ |