JPH03108485U - - Google Patents
Info
- Publication number
- JPH03108485U JPH03108485U JP1661490U JP1661490U JPH03108485U JP H03108485 U JPH03108485 U JP H03108485U JP 1661490 U JP1661490 U JP 1661490U JP 1661490 U JP1661490 U JP 1661490U JP H03108485 U JPH03108485 U JP H03108485U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- inner surfaces
- plastic plates
- thin
- thin plastic
- 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 description 2
- 239000002184 metal Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1661490U JPH03108485U (pt) | 1990-02-20 | 1990-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1661490U JPH03108485U (pt) | 1990-02-20 | 1990-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108485U true JPH03108485U (pt) | 1991-11-07 |
Family
ID=31519873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1661490U Pending JPH03108485U (pt) | 1990-02-20 | 1990-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108485U (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4499833B1 (ja) * | 2010-02-10 | 2010-07-07 | 喜一 田邉 | 下敷き |
-
1990
- 1990-02-20 JP JP1661490U patent/JPH03108485U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4499833B1 (ja) * | 2010-02-10 | 2010-07-07 | 喜一 田邉 | 下敷き |
| JP2011161805A (ja) * | 2010-02-10 | 2011-08-25 | Kiichi Tanabe | 下敷き |