CA791977A - Projection screen construction - Google Patents
Projection screen constructionInfo
- Publication number
- CA791977A CA791977A CA791977A CA791977DA CA791977A CA 791977 A CA791977 A CA 791977A CA 791977 A CA791977 A CA 791977A CA 791977D A CA791977D A CA 791977DA CA 791977 A CA791977 A CA 791977A
- Authority
- CA
- Canada
- Prior art keywords
- projection screen
- screen construction
- construction
- 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 |
---|---|---|---|
CA791977T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA791977A true CA791977A (en) | 1968-08-13 |
Family
ID=36255967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA791977A Expired CA791977A (en) | Projection screen construction |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA791977A (en) |
-
0
- CA CA791977A patent/CA791977A/en not_active Expired
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