FR579821A - - Google Patents
Info
- Publication number
- FR579821A FR579821A FR579821DA FR579821A FR 579821 A FR579821 A FR 579821A FR 579821D A FR579821D A FR 579821DA FR 579821 A FR579821 A FR 579821A
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR579821A true FR579821A (xx) | 1924-10-24 |
Family
ID=1539529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR579821D Expired FR579821A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR579821A (xx) |
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0
- FR FR579821D patent/FR579821A/fr not_active Expired