JPS6431192U - - Google Patents
Info
- Publication number
- JPS6431192U JPS6431192U JP12640587U JP12640587U JPS6431192U JP S6431192 U JPS6431192 U JP S6431192U JP 12640587 U JP12640587 U JP 12640587U JP 12640587 U JP12640587 U JP 12640587U JP S6431192 U JPS6431192 U JP S6431192U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- resistance plate
- resistance
- air supply
- direction correction
- 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 5
- 238000000034 method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12640587U JPS6431192U (enExample) | 1987-08-21 | 1987-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12640587U JPS6431192U (enExample) | 1987-08-21 | 1987-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431192U true JPS6431192U (enExample) | 1989-02-27 |
Family
ID=31377900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12640587U Pending JPS6431192U (enExample) | 1987-08-21 | 1987-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431192U (enExample) |
-
1987
- 1987-08-21 JP JP12640587U patent/JPS6431192U/ja active Pending