JPS6313659U - - Google Patents
Info
- Publication number
- JPS6313659U JPS6313659U JP10580886U JP10580886U JPS6313659U JP S6313659 U JPS6313659 U JP S6313659U JP 10580886 U JP10580886 U JP 10580886U JP 10580886 U JP10580886 U JP 10580886U JP S6313659 U JPS6313659 U JP S6313659U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- shaft
- bit
- fitted
- utility
- 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 |
|---|---|---|---|
| JP10580886U JPS6313659U (ru) | 1986-07-10 | 1986-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10580886U JPS6313659U (ru) | 1986-07-10 | 1986-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6313659U true JPS6313659U (ru) | 1988-01-29 |
Family
ID=30980585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10580886U Pending JPS6313659U (ru) | 1986-07-10 | 1986-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6313659U (ru) |
-
1986
- 1986-07-10 JP JP10580886U patent/JPS6313659U/ja active Pending