JPS5693701U - - Google Patents
Info
- Publication number
- JPS5693701U JPS5693701U JP17567779U JP17567779U JPS5693701U JP S5693701 U JPS5693701 U JP S5693701U JP 17567779 U JP17567779 U JP 17567779U JP 17567779 U JP17567779 U JP 17567779U JP S5693701 U JPS5693701 U JP S5693701U
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17567779U JPS5693701U (enExample) | 1979-12-19 | 1979-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17567779U JPS5693701U (enExample) | 1979-12-19 | 1979-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5693701U true JPS5693701U (enExample) | 1981-07-25 |
Family
ID=29686337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17567779U Pending JPS5693701U (enExample) | 1979-12-19 | 1979-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5693701U (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4028614Y1 (enExample) * | 1965-02-10 | 1965-10-11 | ||
| US3664727A (en) * | 1970-09-09 | 1972-05-23 | Charles A O Donnell | Educational lens device for demonstrating optical principles |
-
1979
- 1979-12-19 JP JP17567779U patent/JPS5693701U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4028614Y1 (enExample) * | 1965-02-10 | 1965-10-11 | ||
| US3664727A (en) * | 1970-09-09 | 1972-05-23 | Charles A O Donnell | Educational lens device for demonstrating optical principles |