JPS534481B2 - - Google Patents
Info
- Publication number
- JPS534481B2 JPS534481B2 JP174673A JP174673A JPS534481B2 JP S534481 B2 JPS534481 B2 JP S534481B2 JP 174673 A JP174673 A JP 174673A JP 174673 A JP174673 A JP 174673A JP S534481 B2 JPS534481 B2 JP S534481B2
- 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 |
|---|---|---|---|
| JP174673A JPS534481B2 (de) | 1972-12-28 | 1972-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP174673A JPS534481B2 (de) | 1972-12-28 | 1972-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4990201A JPS4990201A (de) | 1974-08-28 |
| JPS534481B2 true JPS534481B2 (de) | 1978-02-17 |
Family
ID=11510115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP174673A Expired JPS534481B2 (de) | 1972-12-28 | 1972-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS534481B2 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52139205A (en) * | 1976-05-17 | 1977-11-21 | Hitachi Shipbuilding Eng Co | Underwater excavating device |
-
1972
- 1972-12-28 JP JP174673A patent/JPS534481B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4990201A (de) | 1974-08-28 |