JPS6442380U - - Google Patents
Info
- Publication number
- JPS6442380U JPS6442380U JP13669187U JP13669187U JPS6442380U JP S6442380 U JPS6442380 U JP S6442380U JP 13669187 U JP13669187 U JP 13669187U JP 13669187 U JP13669187 U JP 13669187U JP S6442380 U JPS6442380 U JP S6442380U
- Authority
- JP
- Japan
- Prior art keywords
- outer frame
- concrete part
- concrete
- protective layer
- asphalt
- 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
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13669187U JPH0248541Y2 (en]) | 1987-09-07 | 1987-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13669187U JPH0248541Y2 (en]) | 1987-09-07 | 1987-09-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6442380U true JPS6442380U (en]) | 1989-03-14 |
| JPH0248541Y2 JPH0248541Y2 (en]) | 1990-12-19 |
Family
ID=31397435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13669187U Expired JPH0248541Y2 (en]) | 1987-09-07 | 1987-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248541Y2 (en]) |
-
1987
- 1987-09-07 JP JP13669187U patent/JPH0248541Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0248541Y2 (en]) | 1990-12-19 |