JPH0257704U - - Google Patents
Info
- Publication number
- JPH0257704U JPH0257704U JP13728388U JP13728388U JPH0257704U JP H0257704 U JPH0257704 U JP H0257704U JP 13728388 U JP13728388 U JP 13728388U JP 13728388 U JP13728388 U JP 13728388U JP H0257704 U JPH0257704 U JP H0257704U
- Authority
- JP
- Japan
- Prior art keywords
- ribs
- escape
- steel spikes
- escape board
- protruding
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Road Paving Structures (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13728388U JPH0257704U (en]) | 1988-10-20 | 1988-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13728388U JPH0257704U (en]) | 1988-10-20 | 1988-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0257704U true JPH0257704U (en]) | 1990-04-25 |
Family
ID=31398566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13728388U Pending JPH0257704U (en]) | 1988-10-20 | 1988-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0257704U (en]) |
-
1988
- 1988-10-20 JP JP13728388U patent/JPH0257704U/ja active Pending