JPS631053U - - Google Patents
Info
- Publication number
- JPS631053U JPS631053U JP9420086U JP9420086U JPS631053U JP S631053 U JPS631053 U JP S631053U JP 9420086 U JP9420086 U JP 9420086U JP 9420086 U JP9420086 U JP 9420086U JP S631053 U JPS631053 U JP S631053U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- main boom
- main
- sub
- base end
- 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
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9420086U JPH0439306Y2 (un) | 1986-06-19 | 1986-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9420086U JPH0439306Y2 (un) | 1986-06-19 | 1986-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS631053U true JPS631053U (un) | 1988-01-06 |
| JPH0439306Y2 JPH0439306Y2 (un) | 1992-09-14 |
Family
ID=30957427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9420086U Expired JPH0439306Y2 (un) | 1986-06-19 | 1986-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439306Y2 (un) |
-
1986
- 1986-06-19 JP JP9420086U patent/JPH0439306Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0439306Y2 (un) | 1992-09-14 |
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