JPH0333514Y2 - - Google Patents
Info
- Publication number
- JPH0333514Y2 JPH0333514Y2 JP10284587U JP10284587U JPH0333514Y2 JP H0333514 Y2 JPH0333514 Y2 JP H0333514Y2 JP 10284587 U JP10284587 U JP 10284587U JP 10284587 U JP10284587 U JP 10284587U JP H0333514 Y2 JPH0333514 Y2 JP H0333514Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- ruler
- main
- straightedge
- drafting
- 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.)
- Expired
Links
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10284587U JPH0333514Y2 (zh) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10284587U JPH0333514Y2 (zh) | 1987-07-03 | 1987-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS647593U JPS647593U (zh) | 1989-01-17 |
| JPH0333514Y2 true JPH0333514Y2 (zh) | 1991-07-16 |
Family
ID=31333130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10284587U Expired JPH0333514Y2 (zh) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333514Y2 (zh) |
-
1987
- 1987-07-03 JP JP10284587U patent/JPH0333514Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS647593U (zh) | 1989-01-17 |
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