JPS6231198U - - Google Patents
Info
- Publication number
- JPS6231198U JPS6231198U JP11821485U JP11821485U JPS6231198U JP S6231198 U JPS6231198 U JP S6231198U JP 11821485 U JP11821485 U JP 11821485U JP 11821485 U JP11821485 U JP 11821485U JP S6231198 U JPS6231198 U JP S6231198U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- ring
- tail
- press ring
- shielding
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11821485U JPS6231198U (me) | 1985-08-02 | 1985-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11821485U JPS6231198U (me) | 1985-08-02 | 1985-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6231198U true JPS6231198U (me) | 1987-02-24 |
Family
ID=31004457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11821485U Pending JPS6231198U (me) | 1985-08-02 | 1985-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6231198U (me) |
-
1985
- 1985-08-02 JP JP11821485U patent/JPS6231198U/ja active Pending
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