JPH044991U - - Google Patents
Info
- Publication number
- JPH044991U JPH044991U JP4313190U JP4313190U JPH044991U JP H044991 U JPH044991 U JP H044991U JP 4313190 U JP4313190 U JP 4313190U JP 4313190 U JP4313190 U JP 4313190U JP H044991 U JPH044991 U JP H044991U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- propellant bodies
- adjacent propellant
- propulsion device
- circumference
- 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
- 239000003380 propellant Substances 0.000 claims 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4313190U JPH0754397Y2 (ja) | 1990-04-23 | 1990-04-23 | 推進工法用の推進装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4313190U JPH0754397Y2 (ja) | 1990-04-23 | 1990-04-23 | 推進工法用の推進装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH044991U true JPH044991U (en]) | 1992-01-17 |
| JPH0754397Y2 JPH0754397Y2 (ja) | 1995-12-18 |
Family
ID=31555284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4313190U Expired - Fee Related JPH0754397Y2 (ja) | 1990-04-23 | 1990-04-23 | 推進工法用の推進装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754397Y2 (en]) |
-
1990
- 1990-04-23 JP JP4313190U patent/JPH0754397Y2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754397Y2 (ja) | 1995-12-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |