JPS641096U - - Google Patents
Info
- Publication number
- JPS641096U JPS641096U JP9230287U JP9230287U JPS641096U JP S641096 U JPS641096 U JP S641096U JP 9230287 U JP9230287 U JP 9230287U JP 9230287 U JP9230287 U JP 9230287U JP S641096 U JPS641096 U JP S641096U
- Authority
- JP
- Japan
- Prior art keywords
- lifting ram
- arm
- ram
- guide rod
- hole
- 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
- 239000012530 fluid Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9230287U JPS641096U (en]) | 1987-06-16 | 1987-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9230287U JPS641096U (en]) | 1987-06-16 | 1987-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS641096U true JPS641096U (en]) | 1989-01-06 |
Family
ID=30953888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9230287U Pending JPS641096U (en]) | 1987-06-16 | 1987-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641096U (en]) |
-
1987
- 1987-06-16 JP JP9230287U patent/JPS641096U/ja active Pending