JPS64473Y2 - - Google Patents
Info
- Publication number
- JPS64473Y2 JPS64473Y2 JP17920180U JP17920180U JPS64473Y2 JP S64473 Y2 JPS64473 Y2 JP S64473Y2 JP 17920180 U JP17920180 U JP 17920180U JP 17920180 U JP17920180 U JP 17920180U JP S64473 Y2 JPS64473 Y2 JP S64473Y2
- Authority
- JP
- Japan
- Prior art keywords
- leader
- support
- hydraulic cylinder
- supported
- roller
- 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
- 238000005553 drilling Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17920180U JPS64473Y2 (cg-RX-API-DMAC7.html) | 1980-12-12 | 1980-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17920180U JPS64473Y2 (cg-RX-API-DMAC7.html) | 1980-12-12 | 1980-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57101188U JPS57101188U (cg-RX-API-DMAC7.html) | 1982-06-22 |
| JPS64473Y2 true JPS64473Y2 (cg-RX-API-DMAC7.html) | 1989-01-06 |
Family
ID=29974677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17920180U Expired JPS64473Y2 (cg-RX-API-DMAC7.html) | 1980-12-12 | 1980-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS64473Y2 (cg-RX-API-DMAC7.html) |
-
1980
- 1980-12-12 JP JP17920180U patent/JPS64473Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57101188U (cg-RX-API-DMAC7.html) | 1982-06-22 |
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