JPS6270994U - - Google Patents
Info
- Publication number
- JPS6270994U JPS6270994U JP16206485U JP16206485U JPS6270994U JP S6270994 U JPS6270994 U JP S6270994U JP 16206485 U JP16206485 U JP 16206485U JP 16206485 U JP16206485 U JP 16206485U JP S6270994 U JPS6270994 U JP S6270994U
- Authority
- JP
- Japan
- Prior art keywords
- concentric circles
- grooves
- compass
- auxiliary plate
- center
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16206485U JPS6270994U (tr) | 1985-10-24 | 1985-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16206485U JPS6270994U (tr) | 1985-10-24 | 1985-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6270994U true JPS6270994U (tr) | 1987-05-06 |
Family
ID=31088965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16206485U Pending JPS6270994U (tr) | 1985-10-24 | 1985-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6270994U (tr) |
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1985
- 1985-10-24 JP JP16206485U patent/JPS6270994U/ja active Pending