JPS4987332A - - Google Patents
Info
- Publication number
- JPS4987332A JPS4987332A JP48098125A JP9812573A JPS4987332A JP S4987332 A JPS4987332 A JP S4987332A JP 48098125 A JP48098125 A JP 48098125A JP 9812573 A JP9812573 A JP 9812573A JP S4987332 A JPS4987332 A JP S4987332A
- 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
- Projection Apparatus (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4021172 | 1972-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4987332A true JPS4987332A (nl) | 1974-08-21 |
Family
ID=10413767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48098125A Pending JPS4987332A (nl) | 1972-08-30 | 1973-08-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4987332A (nl) |
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1973
- 1973-08-30 JP JP48098125A patent/JPS4987332A/ja active Pending