JPH0250488U - - Google Patents
Info
- Publication number
- JPH0250488U JPH0250488U JP12941588U JP12941588U JPH0250488U JP H0250488 U JPH0250488 U JP H0250488U JP 12941588 U JP12941588 U JP 12941588U JP 12941588 U JP12941588 U JP 12941588U JP H0250488 U JPH0250488 U JP H0250488U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- extending
- straight
- bending
- detector
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 5
- 238000005339 levitation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12941588U JPH078742Y2 (ja) | 1988-09-30 | 1988-09-30 | 把持式穴掘建柱車 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12941588U JPH078742Y2 (ja) | 1988-09-30 | 1988-09-30 | 把持式穴掘建柱車 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0250488U true JPH0250488U (en]) | 1990-04-09 |
| JPH078742Y2 JPH078742Y2 (ja) | 1995-03-06 |
Family
ID=31383670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12941588U Expired - Lifetime JPH078742Y2 (ja) | 1988-09-30 | 1988-09-30 | 把持式穴掘建柱車 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078742Y2 (en]) |
-
1988
- 1988-09-30 JP JP12941588U patent/JPH078742Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078742Y2 (ja) | 1995-03-06 |