JPH01160089U - - Google Patents
Info
- Publication number
- JPH01160089U JPH01160089U JP5275688U JP5275688U JPH01160089U JP H01160089 U JPH01160089 U JP H01160089U JP 5275688 U JP5275688 U JP 5275688U JP 5275688 U JP5275688 U JP 5275688U JP H01160089 U JPH01160089 U JP H01160089U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- switching valve
- chuck
- pressure
- cylinder
- 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
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000003818 cinder Substances 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5275688U JPH0629273Y2 (ja) | 1988-04-21 | 1988-04-21 | 小口径管推進機の油圧制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5275688U JPH0629273Y2 (ja) | 1988-04-21 | 1988-04-21 | 小口径管推進機の油圧制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01160089U true JPH01160089U (enExample) | 1989-11-07 |
| JPH0629273Y2 JPH0629273Y2 (ja) | 1994-08-10 |
Family
ID=31278755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5275688U Expired - Lifetime JPH0629273Y2 (ja) | 1988-04-21 | 1988-04-21 | 小口径管推進機の油圧制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629273Y2 (enExample) |
-
1988
- 1988-04-21 JP JP5275688U patent/JPH0629273Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629273Y2 (ja) | 1994-08-10 |