JPH03103350U - - Google Patents
Info
- Publication number
- JPH03103350U JPH03103350U JP1109390U JP1109390U JPH03103350U JP H03103350 U JPH03103350 U JP H03103350U JP 1109390 U JP1109390 U JP 1109390U JP 1109390 U JP1109390 U JP 1109390U JP H03103350 U JPH03103350 U JP H03103350U
- Authority
- JP
- Japan
- Prior art keywords
- flow passages
- sand discharge
- pipe body
- pipe
- holes corresponding
- 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 description 6
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1109390U JPH03103350U (https=) | 1990-02-08 | 1990-02-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1109390U JPH03103350U (https=) | 1990-02-08 | 1990-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03103350U true JPH03103350U (https=) | 1991-10-28 |
Family
ID=31514632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1109390U Pending JPH03103350U (https=) | 1990-02-08 | 1990-02-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03103350U (https=) |
-
1990
- 1990-02-08 JP JP1109390U patent/JPH03103350U/ja active Pending