JPH01122994U - - Google Patents
Info
- Publication number
- JPH01122994U JPH01122994U JP1915788U JP1915788U JPH01122994U JP H01122994 U JPH01122994 U JP H01122994U JP 1915788 U JP1915788 U JP 1915788U JP 1915788 U JP1915788 U JP 1915788U JP H01122994 U JPH01122994 U JP H01122994U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- degrees
- cut
- angle
- utility
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
図面は形状図である。
Claims (1)
- 直角二等辺三角形の一方の辺acもしくは辺b
cに対して30度の角度で切り込みを入れた定規
。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1915788U JPH01122994U (ja) | 1988-02-16 | 1988-02-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1915788U JPH01122994U (ja) | 1988-02-16 | 1988-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01122994U true JPH01122994U (ja) | 1989-08-21 |
Family
ID=31234419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1915788U Pending JPH01122994U (ja) | 1988-02-16 | 1988-02-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01122994U (ja) |
-
1988
- 1988-02-16 JP JP1915788U patent/JPH01122994U/ja active Pending