JPS6334953Y2 - - Google Patents
Info
- Publication number
- JPS6334953Y2 JPS6334953Y2 JP15647581U JP15647581U JPS6334953Y2 JP S6334953 Y2 JPS6334953 Y2 JP S6334953Y2 JP 15647581 U JP15647581 U JP 15647581U JP 15647581 U JP15647581 U JP 15647581U JP S6334953 Y2 JPS6334953 Y2 JP S6334953Y2
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- steel plates
- blackboard frame
- frame
- core material
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000011162 core material Substances 0.000 claims description 10
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15647581U JPS5860490U (ja) | 1981-10-20 | 1981-10-20 | 黒板枠取付構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15647581U JPS5860490U (ja) | 1981-10-20 | 1981-10-20 | 黒板枠取付構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5860490U JPS5860490U (ja) | 1983-04-23 |
| JPS6334953Y2 true JPS6334953Y2 (enrdf_load_stackoverflow) | 1988-09-16 |
Family
ID=29949012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15647581U Granted JPS5860490U (ja) | 1981-10-20 | 1981-10-20 | 黒板枠取付構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5860490U (enrdf_load_stackoverflow) |
-
1981
- 1981-10-20 JP JP15647581U patent/JPS5860490U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5860490U (ja) | 1983-04-23 |
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