JPH03129493U - - Google Patents
Info
- Publication number
- JPH03129493U JPH03129493U JP3776090U JP3776090U JPH03129493U JP H03129493 U JPH03129493 U JP H03129493U JP 3776090 U JP3776090 U JP 3776090U JP 3776090 U JP3776090 U JP 3776090U JP H03129493 U JPH03129493 U JP H03129493U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- curved surface
- resilience
- utility
- scope
- 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
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3776090U JPH03129493U (zh) | 1990-04-09 | 1990-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3776090U JPH03129493U (zh) | 1990-04-09 | 1990-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129493U true JPH03129493U (zh) | 1991-12-26 |
Family
ID=31545160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3776090U Pending JPH03129493U (zh) | 1990-04-09 | 1990-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129493U (zh) |
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1990
- 1990-04-09 JP JP3776090U patent/JPH03129493U/ja active Pending