JPS5429401B2 - - Google Patents
Info
- Publication number
- JPS5429401B2 JPS5429401B2 JP3632676A JP3632676A JPS5429401B2 JP S5429401 B2 JPS5429401 B2 JP S5429401B2 JP 3632676 A JP3632676 A JP 3632676A JP 3632676 A JP3632676 A JP 3632676A JP S5429401 B2 JPS5429401 B2 JP S5429401B2
- 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 |
|---|---|---|---|
| JP3632676A JPS52119401A (en) | 1976-04-01 | 1976-04-01 | Swivel for casing pipe drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3632676A JPS52119401A (en) | 1976-04-01 | 1976-04-01 | Swivel for casing pipe drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52119401A JPS52119401A (en) | 1977-10-06 |
| JPS5429401B2 true JPS5429401B2 (enExample) | 1979-09-22 |
Family
ID=12466706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3632676A Granted JPS52119401A (en) | 1976-04-01 | 1976-04-01 | Swivel for casing pipe drilling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52119401A (enExample) |
-
1976
- 1976-04-01 JP JP3632676A patent/JPS52119401A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52119401A (en) | 1977-10-06 |