JPH0195387U - - Google Patents
Info
- Publication number
- JPH0195387U JPH0195387U JP19301687U JP19301687U JPH0195387U JP H0195387 U JPH0195387 U JP H0195387U JP 19301687 U JP19301687 U JP 19301687U JP 19301687 U JP19301687 U JP 19301687U JP H0195387 U JPH0195387 U JP H0195387U
- Authority
- JP
- Japan
- Prior art keywords
- sprockets
- blackboard
- sprocket
- catcher
- turning
- 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.)
- Pending
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19301687U JPH0195387U (en]) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19301687U JPH0195387U (en]) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195387U true JPH0195387U (en]) | 1989-06-23 |
Family
ID=31483836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19301687U Pending JPH0195387U (en]) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195387U (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012101405A (ja) * | 2010-11-09 | 2012-05-31 | Nichigaku Kk | 上下式黒板用の制動装置 |
-
1987
- 1987-12-18 JP JP19301687U patent/JPH0195387U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012101405A (ja) * | 2010-11-09 | 2012-05-31 | Nichigaku Kk | 上下式黒板用の制動装置 |