JPH0189195U - - Google Patents
Info
- Publication number
- JPH0189195U JPH0189195U JP18529987U JP18529987U JPH0189195U JP H0189195 U JPH0189195 U JP H0189195U JP 18529987 U JP18529987 U JP 18529987U JP 18529987 U JP18529987 U JP 18529987U JP H0189195 U JPH0189195 U JP H0189195U
- Authority
- JP
- Japan
- Prior art keywords
- ruler board
- semicircle
- attach
- circumference
- scale
- 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 |
|---|---|---|---|
| JP18529987U JPH0189195U (en)van) | 1987-12-04 | 1987-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18529987U JPH0189195U (en)van) | 1987-12-04 | 1987-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0189195U true JPH0189195U (en)van) | 1989-06-13 |
Family
ID=31476619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18529987U Pending JPH0189195U (en)van) | 1987-12-04 | 1987-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0189195U (en)van) |
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1987
- 1987-12-04 JP JP18529987U patent/JPH0189195U/ja active Pending