JPS62190792U - - Google Patents
Info
- Publication number
- JPS62190792U JPS62190792U JP7523686U JP7523686U JPS62190792U JP S62190792 U JPS62190792 U JP S62190792U JP 7523686 U JP7523686 U JP 7523686U JP 7523686 U JP7523686 U JP 7523686U JP S62190792 U JPS62190792 U JP S62190792U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- shafted
- ribbon screw
- ribbon
- front ribbon
- 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
- 239000002689 soil Substances 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7523686U JPS62190792U (2) | 1986-05-21 | 1986-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7523686U JPS62190792U (2) | 1986-05-21 | 1986-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62190792U true JPS62190792U (2) | 1987-12-04 |
Family
ID=30921186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7523686U Pending JPS62190792U (2) | 1986-05-21 | 1986-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62190792U (2) |
-
1986
- 1986-05-21 JP JP7523686U patent/JPS62190792U/ja active Pending
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