JPH02137292U - - Google Patents
Info
- Publication number
- JPH02137292U JPH02137292U JP4658089U JP4658089U JPH02137292U JP H02137292 U JPH02137292 U JP H02137292U JP 4658089 U JP4658089 U JP 4658089U JP 4658089 U JP4658089 U JP 4658089U JP H02137292 U JPH02137292 U JP H02137292U
- Authority
- JP
- Japan
- Prior art keywords
- base frame
- electric motor
- upper corner
- supported
- blackboard
- 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
- 230000003028 elevating effect Effects 0.000 claims 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658089U JPH02137292U (enExample) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658089U JPH02137292U (enExample) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02137292U true JPH02137292U (enExample) | 1990-11-15 |
Family
ID=31561784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4658089U Pending JPH02137292U (enExample) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02137292U (enExample) |
-
1989
- 1989-04-19 JP JP4658089U patent/JPH02137292U/ja active Pending