JPH0198295U - - Google Patents
Info
- Publication number
- JPH0198295U JPH0198295U JP19456687U JP19456687U JPH0198295U JP H0198295 U JPH0198295 U JP H0198295U JP 19456687 U JP19456687 U JP 19456687U JP 19456687 U JP19456687 U JP 19456687U JP H0198295 U JPH0198295 U JP H0198295U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- locking portions
- casing
- holder
- recess
- 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 |
|---|---|---|---|
| JP19456687U JPH0198295U (es) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19456687U JPH0198295U (es) | 1987-12-22 | 1987-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0198295U true JPH0198295U (es) | 1989-06-30 |
Family
ID=31485292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19456687U Pending JPH0198295U (es) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0198295U (es) |
-
1987
- 1987-12-22 JP JP19456687U patent/JPH0198295U/ja active Pending