JPS6386193U - - Google Patents
Info
- Publication number
- JPS6386193U JPS6386193U JP17768786U JP17768786U JPS6386193U JP S6386193 U JPS6386193 U JP S6386193U JP 17768786 U JP17768786 U JP 17768786U JP 17768786 U JP17768786 U JP 17768786U JP S6386193 U JPS6386193 U JP S6386193U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- bit body
- thickness
- lock bit
- portion located
- 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.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17768786U JPH04149Y2 (sl) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17768786U JPH04149Y2 (sl) | 1986-11-19 | 1986-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6386193U true JPS6386193U (sl) | 1988-06-06 |
| JPH04149Y2 JPH04149Y2 (sl) | 1992-01-06 |
Family
ID=31119124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17768786U Expired JPH04149Y2 (sl) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04149Y2 (sl) |
-
1986
- 1986-11-19 JP JP17768786U patent/JPH04149Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04149Y2 (sl) | 1992-01-06 |