JPS637597U - - Google Patents
Info
- Publication number
- JPS637597U JPS637597U JP10115486U JP10115486U JPS637597U JP S637597 U JPS637597 U JP S637597U JP 10115486 U JP10115486 U JP 10115486U JP 10115486 U JP10115486 U JP 10115486U JP S637597 U JPS637597 U JP S637597U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- chamber
- wiping
- manual
- piston
- 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
- 238000004140 cleaning Methods 0.000 claims 2
- 238000005192 partition Methods 0.000 claims 2
- 230000000630 rising effect Effects 0.000 claims 2
- 230000002195 synergetic effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10115486U JPH0517027Y2 (en]) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10115486U JPH0517027Y2 (en]) | 1986-06-30 | 1986-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS637597U true JPS637597U (en]) | 1988-01-19 |
| JPH0517027Y2 JPH0517027Y2 (en]) | 1993-05-07 |
Family
ID=30971640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10115486U Expired - Lifetime JPH0517027Y2 (en]) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0517027Y2 (en]) |
-
1986
- 1986-06-30 JP JP10115486U patent/JPH0517027Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517027Y2 (en]) | 1993-05-07 |