JPH01142978U - - Google Patents
Info
- Publication number
- JPH01142978U JPH01142978U JP3808588U JP3808588U JPH01142978U JP H01142978 U JPH01142978 U JP H01142978U JP 3808588 U JP3808588 U JP 3808588U JP 3808588 U JP3808588 U JP 3808588U JP H01142978 U JPH01142978 U JP H01142978U
- Authority
- JP
- Japan
- Prior art keywords
- center point
- line
- right triangle
- perpendicular line
- draw
- 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.)
- Granted
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3808588U JPH0514291Y2 (en]) | 1988-03-23 | 1988-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3808588U JPH0514291Y2 (en]) | 1988-03-23 | 1988-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01142978U true JPH01142978U (en]) | 1989-09-29 |
| JPH0514291Y2 JPH0514291Y2 (en]) | 1993-04-16 |
Family
ID=31264655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3808588U Expired - Lifetime JPH0514291Y2 (en]) | 1988-03-23 | 1988-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0514291Y2 (en]) |
-
1988
- 1988-03-23 JP JP3808588U patent/JPH0514291Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0514291Y2 (en]) | 1993-04-16 |