CA487411A - Direct positive photographs - Google Patents
Direct positive photographsInfo
- Publication number
- CA487411A CA487411A CA487411A CA487411DA CA487411A CA 487411 A CA487411 A CA 487411A CA 487411 A CA487411 A CA 487411A CA 487411D A CA487411D A CA 487411DA CA 487411 A CA487411 A CA 487411A
- Authority
- CA
- Canada
- Prior art keywords
- direct positive
- positive photographs
- photographs
- direct
- positive
- 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 |
|---|---|---|---|
| CA487411T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA487411A true CA487411A (en) | 1952-10-21 |
Family
ID=35627129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA487411A Expired CA487411A (en) | Direct positive photographs |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA487411A (en) |
-
0
- CA CA487411A patent/CA487411A/en not_active Expired
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