JPS6229279Y2 - - Google Patents
Info
- Publication number
- JPS6229279Y2 JPS6229279Y2 JP9603281U JP9603281U JPS6229279Y2 JP S6229279 Y2 JPS6229279 Y2 JP S6229279Y2 JP 9603281 U JP9603281 U JP 9603281U JP 9603281 U JP9603281 U JP 9603281U JP S6229279 Y2 JPS6229279 Y2 JP S6229279Y2
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- frame
- piece
- groove
- fixing
- 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
- 239000002184 metal Substances 0.000 claims description 16
- 238000009415 formwork Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9603281U JPS583293U (ja) | 1981-06-30 | 1981-06-30 | 黒板の縁枠 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9603281U JPS583293U (ja) | 1981-06-30 | 1981-06-30 | 黒板の縁枠 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS583293U JPS583293U (ja) | 1983-01-10 |
JPS6229279Y2 true JPS6229279Y2 (pt) | 1987-07-27 |
Family
ID=29890914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9603281U Granted JPS583293U (ja) | 1981-06-30 | 1981-06-30 | 黒板の縁枠 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS583293U (pt) |
-
1981
- 1981-06-30 JP JP9603281U patent/JPS583293U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS583293U (ja) | 1983-01-10 |
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