JPS4827544A - - Google Patents
Info
- Publication number
- JPS4827544A JPS4827544A JP6271971A JP6271971A JPS4827544A JP S4827544 A JPS4827544 A JP S4827544A JP 6271971 A JP6271971 A JP 6271971A JP 6271971 A JP6271971 A JP 6271971A JP S4827544 A JPS4827544 A JP S4827544A
- 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 |
|---|---|---|---|
| JP6271971A JPS4827544A (ja) | 1971-08-17 | 1971-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6271971A JPS4827544A (ja) | 1971-08-17 | 1971-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4827544A true JPS4827544A (ja) | 1973-04-11 |
Family
ID=13208420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6271971A Pending JPS4827544A (ja) | 1971-08-17 | 1971-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4827544A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130013A (en) * | 1975-05-06 | 1976-11-12 | Komatsu Mfg Co Ltd | Driving direction control device for underground pipe laying apparatus |
| JPS53126731A (en) * | 1977-04-11 | 1978-11-06 | Tekken Constr Co | Device for correcting direction of excavator and method of excavating same |
| JPS57137596A (en) * | 1981-02-18 | 1982-08-25 | Hitachi Construction Machinery | Excavation direction control of shielded excavator |
-
1971
- 1971-08-17 JP JP6271971A patent/JPS4827544A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130013A (en) * | 1975-05-06 | 1976-11-12 | Komatsu Mfg Co Ltd | Driving direction control device for underground pipe laying apparatus |
| JPS53126731A (en) * | 1977-04-11 | 1978-11-06 | Tekken Constr Co | Device for correcting direction of excavator and method of excavating same |
| JPS57137596A (en) * | 1981-02-18 | 1982-08-25 | Hitachi Construction Machinery | Excavation direction control of shielded excavator |
| JPS6156755B2 (ja) * | 1981-02-18 | 1986-12-03 | Hitachi Kenki Kk |