JPS4935974A - - Google Patents
Info
- Publication number
- JPS4935974A JPS4935974A JP7928472A JP7928472A JPS4935974A JP S4935974 A JPS4935974 A JP S4935974A JP 7928472 A JP7928472 A JP 7928472A JP 7928472 A JP7928472 A JP 7928472A JP S4935974 A JPS4935974 A JP S4935974A
- 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.)
- Granted
Links
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7928472A JPS5314796B2 (en:Method) | 1972-08-07 | 1972-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7928472A JPS5314796B2 (en:Method) | 1972-08-07 | 1972-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4935974A true JPS4935974A (en:Method) | 1974-04-03 |
| JPS5314796B2 JPS5314796B2 (en:Method) | 1978-05-19 |
Family
ID=13685550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7928472A Expired JPS5314796B2 (en:Method) | 1972-08-07 | 1972-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5314796B2 (en:Method) |
-
1972
- 1972-08-07 JP JP7928472A patent/JPS5314796B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5314796B2 (en:Method) | 1978-05-19 |