JPS61143889U - - Google Patents
Info
- Publication number
- JPS61143889U JPS61143889U JP2788485U JP2788485U JPS61143889U JP S61143889 U JPS61143889 U JP S61143889U JP 2788485 U JP2788485 U JP 2788485U JP 2788485 U JP2788485 U JP 2788485U JP S61143889 U JPS61143889 U JP S61143889U
- Authority
- JP
- Japan
- Prior art keywords
- rim
- paper
- ruler
- writing instrument
- line
- 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
- 230000002265 prevention Effects 0.000 claims description 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2788485U JPS61143889U (tr) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2788485U JPS61143889U (tr) | 1985-02-27 | 1985-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61143889U true JPS61143889U (tr) | 1986-09-05 |
Family
ID=30525250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2788485U Pending JPS61143889U (tr) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61143889U (tr) |
-
1985
- 1985-02-27 JP JP2788485U patent/JPS61143889U/ja active Pending