JPS4991302U - - Google Patents
Info
- Publication number
- JPS4991302U JPS4991302U JP1972135620U JP13562072U JPS4991302U JP S4991302 U JPS4991302 U JP S4991302U JP 1972135620 U JP1972135620 U JP 1972135620U JP 13562072 U JP13562072 U JP 13562072U JP S4991302 U JPS4991302 U JP S4991302U
- 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
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972135620U JPS4991302U (en) | 1972-11-25 | 1972-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972135620U JPS4991302U (en) | 1972-11-25 | 1972-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4991302U true JPS4991302U (en) | 1974-08-07 |
Family
ID=28404547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972135620U Pending JPS4991302U (en) | 1972-11-25 | 1972-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4991302U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3282154A (en) * | 1961-07-03 | 1966-11-01 | Panayotis C Dimitracopoulos | Audiovisual projection system |
-
1972
- 1972-11-25 JP JP1972135620U patent/JPS4991302U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3282154A (en) * | 1961-07-03 | 1966-11-01 | Panayotis C Dimitracopoulos | Audiovisual projection system |