JPS612217Y2 - - Google Patents
Info
- Publication number
- JPS612217Y2 JPS612217Y2 JP1981197458U JP19745881U JPS612217Y2 JP S612217 Y2 JPS612217 Y2 JP S612217Y2 JP 1981197458 U JP1981197458 U JP 1981197458U JP 19745881 U JP19745881 U JP 19745881U JP S612217 Y2 JPS612217 Y2 JP S612217Y2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981197458U JPS5899386U (ja) | 1981-12-25 | 1981-12-25 | 作孔機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981197458U JPS5899386U (ja) | 1981-12-25 | 1981-12-25 | 作孔機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5899386U JPS5899386U (ja) | 1983-07-06 |
| JPS612217Y2 true JPS612217Y2 (enExample) | 1986-01-24 |
Family
ID=30110681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981197458U Granted JPS5899386U (ja) | 1981-12-25 | 1981-12-25 | 作孔機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5899386U (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0533168Y2 (enExample) * | 1986-12-30 | 1993-08-24 |
-
1981
- 1981-12-25 JP JP1981197458U patent/JPS5899386U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5899386U (ja) | 1983-07-06 |