JPS63112096U - - Google Patents
Info
- Publication number
- JPS63112096U JPS63112096U JP251187U JP251187U JPS63112096U JP S63112096 U JPS63112096 U JP S63112096U JP 251187 U JP251187 U JP 251187U JP 251187 U JP251187 U JP 251187U JP S63112096 U JPS63112096 U JP S63112096U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- sheet
- ruler
- straight line
- friction
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP251187U JPS63112096U (en]) | 1987-01-12 | 1987-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP251187U JPS63112096U (en]) | 1987-01-12 | 1987-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63112096U true JPS63112096U (en]) | 1988-07-19 |
Family
ID=30781417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP251187U Pending JPS63112096U (en]) | 1987-01-12 | 1987-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63112096U (en]) |
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1987
- 1987-01-12 JP JP251187U patent/JPS63112096U/ja active Pending