BE639792A - - Google Patents
Info
- Publication number
- BE639792A BE639792A BE639792DA BE639792A BE 639792 A BE639792 A BE 639792A BE 639792D A BE639792D A BE 639792DA BE 639792 A BE639792 A BE 639792A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR915676A FR1347223A (fr) | 1962-11-16 | 1962-11-16 | Procédé et dispositif pour détecter un tracé sur une feuille translucide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE639792A true BE639792A (en:Method) |
Family
ID=8790964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE639792D BE639792A (en:Method) | 1962-11-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE639792A (en:Method) |
| ES (1) | ES293559A1 (en:Method) |
| FR (1) | FR1347223A (en:Method) |
| GB (1) | GB988440A (en:Method) |
-
0
- BE BE639792D patent/BE639792A/xx unknown
-
1962
- 1962-11-16 FR FR915676A patent/FR1347223A/fr not_active Expired
-
1963
- 1963-11-15 ES ES0293559A patent/ES293559A1/es not_active Expired
- 1963-11-18 GB GB4543763A patent/GB988440A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB988440A (en) | 1965-04-07 |
| ES293559A1 (es) | 1964-04-16 |
| FR1347223A (fr) | 1963-12-27 |