CA912874A - Projection screen - Google Patents
Projection screenInfo
- Publication number
- CA912874A CA912874A CA912874DA CA912874A CA 912874 A CA912874 A CA 912874A CA 912874D A CA912874D A CA 912874DA CA 912874 A CA912874 A CA 912874A
- Authority
- CA
- Canada
- Prior art keywords
- projection screen
- projection
- screen
- 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.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA912874T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA912874A true CA912874A (en) | 1972-10-24 |
Family
ID=36420432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA912874D Expired CA912874A (en) | Projection screen |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA912874A (en) |
-
0
- CA CA912874D patent/CA912874A/en not_active Expired
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