JPH0189198U - - Google Patents
Info
- Publication number
- JPH0189198U JPH0189198U JP18573087U JP18573087U JPH0189198U JP H0189198 U JPH0189198 U JP H0189198U JP 18573087 U JP18573087 U JP 18573087U JP 18573087 U JP18573087 U JP 18573087U JP H0189198 U JPH0189198 U JP H0189198U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- slipping
- braking
- bottom plate
- inclined surface
- 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
- 238000005192 partition Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18573087U JPH0189198U (ru) | 1987-12-04 | 1987-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18573087U JPH0189198U (ru) | 1987-12-04 | 1987-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0189198U true JPH0189198U (ru) | 1989-06-13 |
Family
ID=31477000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18573087U Pending JPH0189198U (ru) | 1987-12-04 | 1987-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0189198U (ru) |
-
1987
- 1987-12-04 JP JP18573087U patent/JPH0189198U/ja active Pending