JPS63154290U - - Google Patents
Info
- Publication number
- JPS63154290U JPS63154290U JP4589587U JP4589587U JPS63154290U JP S63154290 U JPS63154290 U JP S63154290U JP 4589587 U JP4589587 U JP 4589587U JP 4589587 U JP4589587 U JP 4589587U JP S63154290 U JPS63154290 U JP S63154290U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- protractor
- functions
- intended
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4589587U JPS63154290U (zh) | 1987-03-28 | 1987-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4589587U JPS63154290U (zh) | 1987-03-28 | 1987-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63154290U true JPS63154290U (zh) | 1988-10-11 |
Family
ID=30865052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4589587U Pending JPS63154290U (zh) | 1987-03-28 | 1987-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63154290U (zh) |
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1987
- 1987-03-28 JP JP4589587U patent/JPS63154290U/ja active Pending