CA751142A - Variable light filter - Google Patents
Variable light filterInfo
- Publication number
- CA751142A CA751142A CA751142A CA751142DA CA751142A CA 751142 A CA751142 A CA 751142A CA 751142 A CA751142 A CA 751142A CA 751142D A CA751142D A CA 751142DA CA 751142 A CA751142 A CA 751142A
- Authority
- CA
- Canada
- Prior art keywords
- variable light
- light filter
- filter
- variable
- 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 |
|---|---|---|---|
| CA751142T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA751142A true CA751142A (en) | 1967-01-24 |
Family
ID=36185498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA751142A Expired CA751142A (en) | Variable light filter |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA751142A (en) |
-
0
- CA CA751142A patent/CA751142A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU418543B2 (en) | Strainer | |
| CA751142A (en) | Variable light filter | |
| CA752639A (en) | Light filter | |
| CA757833A (en) | Light filter | |
| CA765100A (en) | Optical filter | |
| CA753848A (en) | Ambient light filter | |
| AU440355B2 (en) | Variable light filter | |
| CA754893A (en) | Filter | |
| CA771987A (en) | Filter | |
| CA753456A (en) | Filter | |
| CA755917A (en) | Filter | |
| CA760267A (en) | Filter | |
| CA762108A (en) | Filter | |
| CA749765A (en) | Filter | |
| CA753477A (en) | Filter | |
| CA769247A (en) | Filter | |
| CA733745A (en) | Light filter | |
| CA716115A (en) | Light filter | |
| AU418635B2 (en) | Filter arrangement | |
| AU430411B1 (en) | Sun filter | |
| CA932401A (en) | Combination sequence filter | |
| CA703875A (en) | Light filters | |
| CA770984A (en) | Filter unit | |
| CA769495A (en) | Filter element | |
| CA770406A (en) | Fiber filter |