JPH02108068U - - Google Patents
Info
- Publication number
- JPH02108068U JPH02108068U JP1609089U JP1609089U JPH02108068U JP H02108068 U JPH02108068 U JP H02108068U JP 1609089 U JP1609089 U JP 1609089U JP 1609089 U JP1609089 U JP 1609089U JP H02108068 U JPH02108068 U JP H02108068U
- Authority
- JP
- Japan
- Prior art keywords
- board
- pieces
- create
- freely
- detached
- 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
- Instructional Devices (AREA)
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1609089U JPH02108068U (nl) | 1989-02-14 | 1989-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1609089U JPH02108068U (nl) | 1989-02-14 | 1989-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108068U true JPH02108068U (nl) | 1990-08-28 |
Family
ID=31228715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1609089U Pending JPH02108068U (nl) | 1989-02-14 | 1989-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108068U (nl) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632865B2 (nl) * | 1976-08-06 | 1981-07-30 |
-
1989
- 1989-02-14 JP JP1609089U patent/JPH02108068U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632865B2 (nl) * | 1976-08-06 | 1981-07-30 |