JPS644925Y2 - - Google Patents
Info
- Publication number
- JPS644925Y2 JPS644925Y2 JP4789883U JP4789883U JPS644925Y2 JP S644925 Y2 JPS644925 Y2 JP S644925Y2 JP 4789883 U JP4789883 U JP 4789883U JP 4789883 U JP4789883 U JP 4789883U JP S644925 Y2 JPS644925 Y2 JP S644925Y2
- Authority
- JP
- Japan
- Prior art keywords
- wheel frame
- support
- trencher
- worm
- steered
- 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
- 238000009412 basement excavation Methods 0.000 claims description 16
- 238000005553 drilling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Steering Controls (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4789883U JPS59156952U (ja) | 1983-03-31 | 1983-03-31 | トレンチヤ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4789883U JPS59156952U (ja) | 1983-03-31 | 1983-03-31 | トレンチヤ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59156952U JPS59156952U (ja) | 1984-10-22 |
| JPS644925Y2 true JPS644925Y2 (h) | 1989-02-08 |
Family
ID=30178438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4789883U Granted JPS59156952U (ja) | 1983-03-31 | 1983-03-31 | トレンチヤ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59156952U (h) |
-
1983
- 1983-03-31 JP JP4789883U patent/JPS59156952U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59156952U (ja) | 1984-10-22 |
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