JPS5217273B2 - - Google Patents
Info
- Publication number
- JPS5217273B2 JPS5217273B2 JP8920171A JP8920171A JPS5217273B2 JP S5217273 B2 JPS5217273 B2 JP S5217273B2 JP 8920171 A JP8920171 A JP 8920171A JP 8920171 A JP8920171 A JP 8920171A JP S5217273 B2 JPS5217273 B2 JP S5217273B2
- 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
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8920171A JPS5217273B2 (en:Method) | 1971-11-09 | 1971-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8920171A JPS5217273B2 (en:Method) | 1971-11-09 | 1971-11-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4853389A JPS4853389A (en:Method) | 1973-07-26 |
| JPS5217273B2 true JPS5217273B2 (en:Method) | 1977-05-14 |
Family
ID=13964086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8920171A Expired JPS5217273B2 (en:Method) | 1971-11-09 | 1971-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5217273B2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6313577U (en:Method) * | 1986-03-18 | 1988-01-28 |
-
1971
- 1971-11-09 JP JP8920171A patent/JPS5217273B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6313577U (en:Method) * | 1986-03-18 | 1988-01-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4853389A (en:Method) | 1973-07-26 |