JPH03122198U - - Google Patents
Info
- Publication number
- JPH03122198U JPH03122198U JP2823990U JP2823990U JPH03122198U JP H03122198 U JPH03122198 U JP H03122198U JP 2823990 U JP2823990 U JP 2823990U JP 2823990 U JP2823990 U JP 2823990U JP H03122198 U JPH03122198 U JP H03122198U
- Authority
- JP
- Japan
- Prior art keywords
- small
- pipe
- diameter pipe
- diameter
- removal device
- 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
- 239000004576 sand Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990028239U JP2535162Y2 (ja) | 1990-03-22 | 1990-03-22 | 小口径管推進機の排土装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990028239U JP2535162Y2 (ja) | 1990-03-22 | 1990-03-22 | 小口径管推進機の排土装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03122198U true JPH03122198U (fr) | 1991-12-13 |
JP2535162Y2 JP2535162Y2 (ja) | 1997-05-07 |
Family
ID=31531051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990028239U Expired - Lifetime JP2535162Y2 (ja) | 1990-03-22 | 1990-03-22 | 小口径管推進機の排土装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2535162Y2 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5785096U (fr) * | 1980-11-15 | 1982-05-26 | ||
JPS62133799U (fr) * | 1986-02-19 | 1987-08-22 |
-
1990
- 1990-03-22 JP JP1990028239U patent/JP2535162Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5785096U (fr) * | 1980-11-15 | 1982-05-26 | ||
JPS62133799U (fr) * | 1986-02-19 | 1987-08-22 |
Also Published As
Publication number | Publication date |
---|---|
JP2535162Y2 (ja) | 1997-05-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |