JPS4214863Y1 - - Google Patents
Info
- Publication number
- JPS4214863Y1 JPS4214863Y1 JP4892364U JP4892364U JPS4214863Y1 JP S4214863 Y1 JPS4214863 Y1 JP S4214863Y1 JP 4892364 U JP4892364 U JP 4892364U JP 4892364 U JP4892364 U JP 4892364U JP S4214863 Y1 JPS4214863 Y1 JP S4214863Y1
- 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 |
|---|---|---|---|
| JP4892364U JPS4214863Y1 (en) | 1964-06-20 | 1964-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4892364U JPS4214863Y1 (en) | 1964-06-20 | 1964-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4214863Y1 true JPS4214863Y1 (en) | 1967-08-24 |
Family
ID=31783402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4892364U Expired JPS4214863Y1 (en) | 1964-06-20 | 1964-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4214863Y1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010504453A (en) * | 2006-09-20 | 2010-02-12 | シュラムバーガー・ホールディングズ・リミテッド | Method and apparatus for dampening drill string vibration |
-
1964
- 1964-06-20 JP JP4892364U patent/JPS4214863Y1/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010504453A (en) * | 2006-09-20 | 2010-02-12 | シュラムバーガー・ホールディングズ・リミテッド | Method and apparatus for dampening drill string vibration |