JPS538641B2 - - Google Patents
Info
- Publication number
- JPS538641B2 JPS538641B2 JP6829075A JP6829075A JPS538641B2 JP S538641 B2 JPS538641 B2 JP S538641B2 JP 6829075 A JP6829075 A JP 6829075A JP 6829075 A JP6829075 A JP 6829075A JP S538641 B2 JPS538641 B2 JP S538641B2
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6829075A JPS51143501A (en) | 1975-06-05 | 1975-06-05 | Method and device for preventing tube being left in drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6829075A JPS51143501A (en) | 1975-06-05 | 1975-06-05 | Method and device for preventing tube being left in drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51143501A JPS51143501A (en) | 1976-12-09 |
| JPS538641B2 true JPS538641B2 (un) | 1978-03-30 |
Family
ID=13369480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6829075A Granted JPS51143501A (en) | 1975-06-05 | 1975-06-05 | Method and device for preventing tube being left in drilling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51143501A (un) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6372180U (un) * | 1986-10-29 | 1988-05-14 |
-
1975
- 1975-06-05 JP JP6829075A patent/JPS51143501A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6372180U (un) * | 1986-10-29 | 1988-05-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51143501A (en) | 1976-12-09 |