BE431181A - - Google Patents
Info
- Publication number
- BE431181A BE431181A BE431181DA BE431181A BE 431181 A BE431181 A BE 431181A BE 431181D A BE431181D A BE 431181DA BE 431181 A BE431181 A BE 431181A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR850731T | 1939-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431181A true BE431181A (zh) |
Family
ID=9319263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431181D BE431181A (zh) | 1939-02-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE431181A (zh) |
| FR (1) | FR850731A (zh) |
-
0
- BE BE431181D patent/BE431181A/xx unknown
-
1939
- 1939-02-23 FR FR850731D patent/FR850731A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR850731A (fr) | 1939-12-23 |