JPS615688U - 黒板 - Google Patents
黒板Info
- Publication number
- JPS615688U JPS615688U JP8876784U JP8876784U JPS615688U JP S615688 U JPS615688 U JP S615688U JP 8876784 U JP8876784 U JP 8876784U JP 8876784 U JP8876784 U JP 8876784U JP S615688 U JPS615688 U JP S615688U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- substrate
- hole
- rahul
- board
- 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.)
- Granted
Links
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 239000003550 marker Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 2
- 239000004743 Polypropylene Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000006261 foam material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- -1 polypropylene Polymers 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8876784U JPS615688U (ja) | 1984-06-14 | 1984-06-14 | 黒板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8876784U JPS615688U (ja) | 1984-06-14 | 1984-06-14 | 黒板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS615688U true JPS615688U (ja) | 1986-01-14 |
| JPH0315347Y2 JPH0315347Y2 (enrdf_load_stackoverflow) | 1991-04-03 |
Family
ID=30642221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8876784U Granted JPS615688U (ja) | 1984-06-14 | 1984-06-14 | 黒板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS615688U (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938339U (enrdf_load_stackoverflow) * | 1972-07-04 | 1974-04-04 | ||
| JPS52110538U (enrdf_load_stackoverflow) * | 1976-02-16 | 1977-08-23 | ||
| JPS58143288U (ja) * | 1982-03-20 | 1983-09-27 | 牧化成工業株式会社 | 筆記板における筆記具等のための保持構造 |
-
1984
- 1984-06-14 JP JP8876784U patent/JPS615688U/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938339U (enrdf_load_stackoverflow) * | 1972-07-04 | 1974-04-04 | ||
| JPS52110538U (enrdf_load_stackoverflow) * | 1976-02-16 | 1977-08-23 | ||
| JPS58143288U (ja) * | 1982-03-20 | 1983-09-27 | 牧化成工業株式会社 | 筆記板における筆記具等のための保持構造 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0315347Y2 (enrdf_load_stackoverflow) | 1991-04-03 |
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