CA437506A - Ecran-filtre optique - Google Patents
Ecran-filtre optiqueInfo
- Publication number
- CA437506A CA437506A CA437506A CA437506DA CA437506A CA 437506 A CA437506 A CA 437506A CA 437506 A CA437506 A CA 437506A CA 437506D A CA437506D A CA 437506DA CA 437506 A CA437506 A CA 437506A
- Authority
- CA
- Canada
- Prior art keywords
- optical filter
- filter
- optical
- 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
- 230000003287 optical effect Effects 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA437506T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA437506A true CA437506A (fr) | 1946-10-22 |
Family
ID=35552741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA437506A Expired CA437506A (fr) | Ecran-filtre optique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA437506A (fr) |
-
0
- CA CA437506A patent/CA437506A/fr not_active Expired
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