JPS4838203A - - Google Patents
Info
- Publication number
- JPS4838203A JPS4838203A JP7218871A JP7218871A JPS4838203A JP S4838203 A JPS4838203 A JP S4838203A JP 7218871 A JP7218871 A JP 7218871A JP 7218871 A JP7218871 A JP 7218871A JP S4838203 A JPS4838203 A JP S4838203A
- 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
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7218871A JPS5033962B2 (en) | 1971-09-18 | 1971-09-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7218871A JPS5033962B2 (en) | 1971-09-18 | 1971-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4838203A true JPS4838203A (en) | 1973-06-05 |
JPS5033962B2 JPS5033962B2 (en) | 1975-11-05 |
Family
ID=13481971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7218871A Expired JPS5033962B2 (en) | 1971-09-18 | 1971-09-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5033962B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239501A (en) * | 1975-09-12 | 1977-03-26 | Offshore Co | Method and device for excavating underwater well |
JPS62169090U (en) * | 1986-04-10 | 1987-10-27 |
-
1971
- 1971-09-18 JP JP7218871A patent/JPS5033962B2/ja not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5239501A (en) * | 1975-09-12 | 1977-03-26 | Offshore Co | Method and device for excavating underwater well |
JPS5832273B2 (en) * | 1975-09-12 | 1983-07-12 | ザ・オフシヨア−・カンパニ− | Underwater well drilling equipment |
JPS62169090U (en) * | 1986-04-10 | 1987-10-27 | ||
JPH04151Y2 (en) * | 1986-04-10 | 1992-01-06 |
Also Published As
Publication number | Publication date |
---|---|
JPS5033962B2 (en) | 1975-11-05 |