JPH03109897U - - Google Patents
Info
- Publication number
- JPH03109897U JPH03109897U JP2001990U JP2001990U JPH03109897U JP H03109897 U JPH03109897 U JP H03109897U JP 2001990 U JP2001990 U JP 2001990U JP 2001990 U JP2001990 U JP 2001990U JP H03109897 U JPH03109897 U JP H03109897U
- Authority
- JP
- Japan
- Prior art keywords
- protractor
- degrees
- ruler
- rulers
- indentations
- 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
- 238000007373 indentation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001990U JPH03109897U (ru) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001990U JPH03109897U (ru) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03109897U true JPH03109897U (ru) | 1991-11-12 |
Family
ID=31523116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001990U Pending JPH03109897U (ru) | 1990-02-28 | 1990-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03109897U (ru) |
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1990
- 1990-02-28 JP JP2001990U patent/JPH03109897U/ja active Pending