JPH0245035Y2 - - Google Patents
Info
- Publication number
- JPH0245035Y2 JPH0245035Y2 JP5404984U JP5404984U JPH0245035Y2 JP H0245035 Y2 JPH0245035 Y2 JP H0245035Y2 JP 5404984 U JP5404984 U JP 5404984U JP 5404984 U JP5404984 U JP 5404984U JP H0245035 Y2 JPH0245035 Y2 JP H0245035Y2
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- shelf
- chiyoke
- powder
- height
- 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
- 239000000843 powder Substances 0.000 claims description 25
- 239000000428 dust Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- 241001122767 Theaceae Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000019693 Lung disease Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5404984U JPS60166593U (ja) | 1984-04-11 | 1984-04-11 | 黒板チヨ−ク粉清掃装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5404984U JPS60166593U (ja) | 1984-04-11 | 1984-04-11 | 黒板チヨ−ク粉清掃装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60166593U JPS60166593U (ja) | 1985-11-05 |
| JPH0245035Y2 true JPH0245035Y2 (en]) | 1990-11-29 |
Family
ID=30575464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5404984U Granted JPS60166593U (ja) | 1984-04-11 | 1984-04-11 | 黒板チヨ−ク粉清掃装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166593U (en]) |
-
1984
- 1984-04-11 JP JP5404984U patent/JPS60166593U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60166593U (ja) | 1985-11-05 |
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