JPS6141831Y2 - - Google Patents
Info
- Publication number
- JPS6141831Y2 JPS6141831Y2 JP15091480U JP15091480U JPS6141831Y2 JP S6141831 Y2 JPS6141831 Y2 JP S6141831Y2 JP 15091480 U JP15091480 U JP 15091480U JP 15091480 U JP15091480 U JP 15091480U JP S6141831 Y2 JPS6141831 Y2 JP S6141831Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- drilling
- tip
- head
- boom head
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 claims description 19
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Jib Cranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15091480U JPS6141831Y2 (ru) | 1980-10-21 | 1980-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15091480U JPS6141831Y2 (ru) | 1980-10-21 | 1980-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5775088U JPS5775088U (ru) | 1982-05-10 |
| JPS6141831Y2 true JPS6141831Y2 (ru) | 1986-11-27 |
Family
ID=29510259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15091480U Expired JPS6141831Y2 (ru) | 1980-10-21 | 1980-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6141831Y2 (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59167829U (ja) * | 1983-04-26 | 1984-11-10 | 星 文男 | 自走式杭打機 |
-
1980
- 1980-10-21 JP JP15091480U patent/JPS6141831Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5775088U (ru) | 1982-05-10 |
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