FR1577993A - - Google Patents
Info
- Publication number
- FR1577993A FR1577993A FR1577993DA FR1577993A FR 1577993 A FR1577993 A FR 1577993A FR 1577993D A FR1577993D A FR 1577993DA FR 1577993 A FR1577993 A FR 1577993A
- Authority
- FR
- France
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR149273 | 1968-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1577993A true FR1577993A (fr) | 1969-08-14 |
Family
ID=8649353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1577993D Expired FR1577993A (fr) | 1968-04-24 | 1968-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1577993A (fr) |
-
1968
- 1968-04-24 FR FR1577993D patent/FR1577993A/fr not_active Expired
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |