JPS57142090U - - Google Patents
Info
- Publication number
- JPS57142090U JPS57142090U JP2520981U JP2520981U JPS57142090U JP S57142090 U JPS57142090 U JP S57142090U JP 2520981 U JP2520981 U JP 2520981U JP 2520981 U JP2520981 U JP 2520981U JP S57142090 U JPS57142090 U JP S57142090U
- Authority
- JP
- Japan
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2520981U JPS57142090U (enExample) | 1981-02-26 | 1981-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2520981U JPS57142090U (enExample) | 1981-02-26 | 1981-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57142090U true JPS57142090U (enExample) | 1982-09-06 |
Family
ID=29822912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2520981U Pending JPS57142090U (enExample) | 1981-02-26 | 1981-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57142090U (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50127434A (enExample) * | 1974-03-27 | 1975-10-07 | ||
| JPS5271838A (en) * | 1975-12-11 | 1977-06-15 | Tekken Constr Co | Control method of muddy water system shield excavator |
-
1981
- 1981-02-26 JP JP2520981U patent/JPS57142090U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50127434A (enExample) * | 1974-03-27 | 1975-10-07 | ||
| JPS5271838A (en) * | 1975-12-11 | 1977-06-15 | Tekken Constr Co | Control method of muddy water system shield excavator |