FR778650A - - Google Patents
Info
- Publication number
- FR778650A FR778650A FR778650DA FR778650A FR 778650 A FR778650 A FR 778650A FR 778650D A FR778650D A FR 778650DA FR 778650 A FR778650 A FR 778650A
- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR778650A true FR778650A (et) | 1935-03-20 |
Family
ID=1552340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR778650D Expired FR778650A (et) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR778650A (et) |
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0
- FR FR778650D patent/FR778650A/fr not_active Expired