JPS63113910U - - Google Patents
Info
- Publication number
- JPS63113910U JPS63113910U JP581087U JP581087U JPS63113910U JP S63113910 U JPS63113910 U JP S63113910U JP 581087 U JP581087 U JP 581087U JP 581087 U JP581087 U JP 581087U JP S63113910 U JPS63113910 U JP S63113910U
- Authority
- JP
- Japan
- Prior art keywords
- water
- sand layer
- section
- main column
- weight
- 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 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP581087U JPS63113910U (zh) | 1987-01-19 | 1987-01-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP581087U JPS63113910U (zh) | 1987-01-19 | 1987-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63113910U true JPS63113910U (zh) | 1988-07-22 |
Family
ID=30787738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP581087U Pending JPS63113910U (zh) | 1987-01-19 | 1987-01-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63113910U (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55110951A (en) * | 1979-02-19 | 1980-08-27 | Oki Electric Ind Co Ltd | Ultrasonic wave detector for sludge dredging |
-
1987
- 1987-01-19 JP JP581087U patent/JPS63113910U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55110951A (en) * | 1979-02-19 | 1980-08-27 | Oki Electric Ind Co Ltd | Ultrasonic wave detector for sludge dredging |