JPS61150190U - - Google Patents
Info
- Publication number
- JPS61150190U JPS61150190U JP3524585U JP3524585U JPS61150190U JP S61150190 U JPS61150190 U JP S61150190U JP 3524585 U JP3524585 U JP 3524585U JP 3524585 U JP3524585 U JP 3524585U JP S61150190 U JPS61150190 U JP S61150190U
- Authority
- JP
- Japan
- Prior art keywords
- writing
- writing surfaces
- contents
- contact
- 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
- 238000004140 cleaning Methods 0.000 claims description 3
Landscapes
- Drawing Aids And Blackboards (AREA)
- Facsimiles In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3524585U JPS61150190U (me) | 1985-03-12 | 1985-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3524585U JPS61150190U (me) | 1985-03-12 | 1985-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61150190U true JPS61150190U (me) | 1986-09-17 |
Family
ID=30539350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3524585U Pending JPS61150190U (me) | 1985-03-12 | 1985-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61150190U (me) |
-
1985
- 1985-03-12 JP JP3524585U patent/JPS61150190U/ja active Pending
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