JPS6452796U - - Google Patents
Info
- Publication number
- JPS6452796U JPS6452796U JP14772487U JP14772487U JPS6452796U JP S6452796 U JPS6452796 U JP S6452796U JP 14772487 U JP14772487 U JP 14772487U JP 14772487 U JP14772487 U JP 14772487U JP S6452796 U JPS6452796 U JP S6452796U
- Authority
- JP
- Japan
- Prior art keywords
- scale
- logarithmic
- sheet
- utility
- ruler
- 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
- 239000003550 marker Substances 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14772487U JPS6452796U (en, 2012) | 1987-09-28 | 1987-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14772487U JPS6452796U (en, 2012) | 1987-09-28 | 1987-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6452796U true JPS6452796U (en, 2012) | 1989-03-31 |
Family
ID=31418393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14772487U Pending JPS6452796U (en, 2012) | 1987-09-28 | 1987-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6452796U (en, 2012) |
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1987
- 1987-09-28 JP JP14772487U patent/JPS6452796U/ja active Pending