JPS62176287U - - Google Patents
Info
- Publication number
- JPS62176287U JPS62176287U JP6177986U JP6177986U JPS62176287U JP S62176287 U JPS62176287 U JP S62176287U JP 6177986 U JP6177986 U JP 6177986U JP 6177986 U JP6177986 U JP 6177986U JP S62176287 U JPS62176287 U JP S62176287U
- Authority
- JP
- Japan
- Prior art keywords
- swivel
- pipe
- rotation angle
- rotation
- turret
- Prior art date
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6177986U JPS62176287U (en:Method) | 1986-04-25 | 1986-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6177986U JPS62176287U (en:Method) | 1986-04-25 | 1986-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62176287U true JPS62176287U (en:Method) | 1987-11-09 |
Family
ID=30895423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6177986U Pending JPS62176287U (en:Method) | 1986-04-25 | 1986-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62176287U (en:Method) |
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1986
- 1986-04-25 JP JP6177986U patent/JPS62176287U/ja active Pending