JPS61155493U - - Google Patents
Info
- Publication number
- JPS61155493U JPS61155493U JP3946385U JP3946385U JPS61155493U JP S61155493 U JPS61155493 U JP S61155493U JP 3946385 U JP3946385 U JP 3946385U JP 3946385 U JP3946385 U JP 3946385U JP S61155493 U JPS61155493 U JP S61155493U
- Authority
- JP
- Japan
- Prior art keywords
- excavation
- type
- bucket
- leader
- pipe
- 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
- 238000009412 basement excavation Methods 0.000 claims description 17
- 238000005553 drilling Methods 0.000 claims description 4
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3946385U JPS61155493U (it) | 1985-03-19 | 1985-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3946385U JPS61155493U (it) | 1985-03-19 | 1985-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61155493U true JPS61155493U (it) | 1986-09-26 |
Family
ID=30547430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3946385U Pending JPS61155493U (it) | 1985-03-19 | 1985-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61155493U (it) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539447A (en) * | 1976-07-14 | 1978-01-27 | Yamatake Honeywell Co Ltd | Square root extractor |
-
1985
- 1985-03-19 JP JP3946385U patent/JPS61155493U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539447A (en) * | 1976-07-14 | 1978-01-27 | Yamatake Honeywell Co Ltd | Square root extractor |
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