CA592018A - Light filters - Google Patents
Light filtersInfo
- Publication number
- CA592018A CA592018A CA592018A CA592018DA CA592018A CA 592018 A CA592018 A CA 592018A CA 592018 A CA592018 A CA 592018A CA 592018D A CA592018D A CA 592018DA CA 592018 A CA592018 A CA 592018A
- Authority
- CA
- Canada
- Prior art keywords
- light filters
- filters
- light
- 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 |
|---|---|---|---|
| CA592018T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA592018A true CA592018A (en) | 1960-02-02 |
Family
ID=35805553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA592018A Expired CA592018A (en) | Light filters |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA592018A (en) |
-
0
- CA CA592018A patent/CA592018A/en not_active Expired
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