JPH01120540U - - Google Patents
Info
- Publication number
- JPH01120540U JPH01120540U JP1303988U JP1303988U JPH01120540U JP H01120540 U JPH01120540 U JP H01120540U JP 1303988 U JP1303988 U JP 1303988U JP 1303988 U JP1303988 U JP 1303988U JP H01120540 U JPH01120540 U JP H01120540U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- speed reducer
- falling
- concrete
- obstruction
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Underground Or Underwater Handling Of Building Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1303988U JPH01120540U (enExample) | 1988-02-04 | 1988-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1303988U JPH01120540U (enExample) | 1988-02-04 | 1988-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01120540U true JPH01120540U (enExample) | 1989-08-15 |
Family
ID=31223011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1303988U Pending JPH01120540U (enExample) | 1988-02-04 | 1988-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01120540U (enExample) |
-
1988
- 1988-02-04 JP JP1303988U patent/JPH01120540U/ja active Pending