JPS543001B2 - - Google Patents
Info
- Publication number
- JPS543001B2 JPS543001B2 JP13767775A JP13767775A JPS543001B2 JP S543001 B2 JPS543001 B2 JP S543001B2 JP 13767775 A JP13767775 A JP 13767775A JP 13767775 A JP13767775 A JP 13767775A JP S543001 B2 JPS543001 B2 JP S543001B2
- 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 |
|---|---|---|---|
| JP13767775A JPS5262102A (en) | 1975-11-14 | 1975-11-14 | Tool joint for drill pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13767775A JPS5262102A (en) | 1975-11-14 | 1975-11-14 | Tool joint for drill pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5262102A JPS5262102A (en) | 1977-05-23 |
| JPS543001B2 true JPS543001B2 (ja) | 1979-02-16 |
Family
ID=15204225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13767775A Granted JPS5262102A (en) | 1975-11-14 | 1975-11-14 | Tool joint for drill pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5262102A (ja) |
-
1975
- 1975-11-14 JP JP13767775A patent/JPS5262102A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5262102A (en) | 1977-05-23 |