JPH0310562Y2 - - Google Patents
Info
- Publication number
- JPH0310562Y2 JPH0310562Y2 JP1986011124U JP1112486U JPH0310562Y2 JP H0310562 Y2 JPH0310562 Y2 JP H0310562Y2 JP 1986011124 U JP1986011124 U JP 1986011124U JP 1112486 U JP1112486 U JP 1112486U JP H0310562 Y2 JPH0310562 Y2 JP H0310562Y2
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- lamp body
- blackboard
- illumination opening
- light
- 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
- 238000005286 illumination Methods 0.000 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Drawing Aids And Blackboards (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011124U JPH0310562Y2 (US08063081-20111122-C00044.png) | 1986-01-27 | 1986-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011124U JPH0310562Y2 (US08063081-20111122-C00044.png) | 1986-01-27 | 1986-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62123011U JPS62123011U (US08063081-20111122-C00044.png) | 1987-08-05 |
| JPH0310562Y2 true JPH0310562Y2 (US08063081-20111122-C00044.png) | 1991-03-15 |
Family
ID=30798053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986011124U Expired JPH0310562Y2 (US08063081-20111122-C00044.png) | 1986-01-27 | 1986-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310562Y2 (US08063081-20111122-C00044.png) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5715835Y2 (US08063081-20111122-C00044.png) * | 1978-03-07 | 1982-04-02 | ||
| JPS6313603Y2 (US08063081-20111122-C00044.png) * | 1980-12-23 | 1988-04-18 |
-
1986
- 1986-01-27 JP JP1986011124U patent/JPH0310562Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62123011U (US08063081-20111122-C00044.png) | 1987-08-05 |
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