JPS62133796U - - Google Patents
Info
- Publication number
- JPS62133796U JPS62133796U JP1994586U JP1994586U JPS62133796U JP S62133796 U JPS62133796 U JP S62133796U JP 1994586 U JP1994586 U JP 1994586U JP 1994586 U JP1994586 U JP 1994586U JP S62133796 U JPS62133796 U JP S62133796U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- earth
- removal device
- pressure chamber
- closing plate
- 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
- 239000004576 sand Substances 0.000 claims 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1994586U JPS62133796U (en, 2012) | 1986-02-13 | 1986-02-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1994586U JPS62133796U (en, 2012) | 1986-02-13 | 1986-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62133796U true JPS62133796U (en, 2012) | 1987-08-22 |
Family
ID=30815000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1994586U Pending JPS62133796U (en, 2012) | 1986-02-13 | 1986-02-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62133796U (en, 2012) |
-
1986
- 1986-02-13 JP JP1994586U patent/JPS62133796U/ja active Pending
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