JPH0313399U - - Google Patents
Info
- Publication number
- JPH0313399U JPH0313399U JP7444289U JP7444289U JPH0313399U JP H0313399 U JPH0313399 U JP H0313399U JP 7444289 U JP7444289 U JP 7444289U JP 7444289 U JP7444289 U JP 7444289U JP H0313399 U JPH0313399 U JP H0313399U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- small diameter
- diameter pipe
- connecting rod
- buried
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7444289U JPH0313399U (un) | 1989-06-27 | 1989-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7444289U JPH0313399U (un) | 1989-06-27 | 1989-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0313399U true JPH0313399U (un) | 1991-02-12 |
Family
ID=31614136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7444289U Pending JPH0313399U (un) | 1989-06-27 | 1989-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0313399U (un) |
-
1989
- 1989-06-27 JP JP7444289U patent/JPH0313399U/ja active Pending
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