DK50388C - Light filter. - Google Patents
Light filter.Info
- Publication number
- DK50388C DK50388C DK50388DA DK50388C DK 50388 C DK50388 C DK 50388C DK 50388D A DK50388D A DK 50388DA DK 50388 C DK50388 C DK 50388C
- Authority
- DK
- Denmark
- Prior art keywords
- light filter
- filter
- light
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK50388T | 1934-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK50388C true DK50388C (en) | 1935-07-01 |
Family
ID=8138907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK50388D DK50388C (en) | 1934-04-18 | 1934-04-18 | Light filter. |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK50388C (en) |
-
1934
- 1934-04-18 DK DK50388D patent/DK50388C/en active
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