JPS62176285U - - Google Patents
Info
- Publication number
- JPS62176285U JPS62176285U JP6533886U JP6533886U JPS62176285U JP S62176285 U JPS62176285 U JP S62176285U JP 6533886 U JP6533886 U JP 6533886U JP 6533886 U JP6533886 U JP 6533886U JP S62176285 U JPS62176285 U JP S62176285U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- hole
- tip
- straight hole
- bit
- 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 |
|---|---|---|---|
| JP6533886U JPS62176285U (enExample) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6533886U JPS62176285U (enExample) | 1986-04-30 | 1986-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62176285U true JPS62176285U (enExample) | 1987-11-09 |
Family
ID=30902313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6533886U Pending JPS62176285U (enExample) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62176285U (enExample) |
-
1986
- 1986-04-30 JP JP6533886U patent/JPS62176285U/ja active Pending