JPS57183190U - - Google Patents
Info
- Publication number
- JPS57183190U JPS57183190U JP7179181U JP7179181U JPS57183190U JP S57183190 U JPS57183190 U JP S57183190U JP 7179181 U JP7179181 U JP 7179181U JP 7179181 U JP7179181 U JP 7179181U JP S57183190 U JPS57183190 U JP S57183190U
- Authority
- JP
- Japan
- 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
- Overhead Projectors And Projection Screens (AREA)
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7179181U JPS57183190U (en) | 1981-05-18 | 1981-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7179181U JPS57183190U (en) | 1981-05-18 | 1981-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57183190U true JPS57183190U (en) | 1982-11-20 |
Family
ID=29867582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7179181U Pending JPS57183190U (en) | 1981-05-18 | 1981-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57183190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007029351A1 (en) | 2005-09-02 | 2007-03-15 | Jfe Metal Products & Engineering Inc. | Projection blackboard and process for producing the same |
-
1981
- 1981-05-18 JP JP7179181U patent/JPS57183190U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007029351A1 (en) | 2005-09-02 | 2007-03-15 | Jfe Metal Products & Engineering Inc. | Projection blackboard and process for producing the same |