JPS63132798U - - Google Patents
Info
- Publication number
- JPS63132798U JPS63132798U JP2542687U JP2542687U JPS63132798U JP S63132798 U JPS63132798 U JP S63132798U JP 2542687 U JP2542687 U JP 2542687U JP 2542687 U JP2542687 U JP 2542687U JP S63132798 U JPS63132798 U JP S63132798U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- utility
- outside
- cleaning device
- scope
- 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 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2542687U JPS63132798U (enrdf_load_stackoverflow) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2542687U JPS63132798U (enrdf_load_stackoverflow) | 1987-02-23 | 1987-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63132798U true JPS63132798U (enrdf_load_stackoverflow) | 1988-08-30 |
Family
ID=30825571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2542687U Pending JPS63132798U (enrdf_load_stackoverflow) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63132798U (enrdf_load_stackoverflow) |
-
1987
- 1987-02-23 JP JP2542687U patent/JPS63132798U/ja active Pending
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