FR618471A - - Google Patents
Info
- Publication number
- FR618471A FR618471A FR618471DA FR618471A FR 618471 A FR618471 A FR 618471A FR 618471D A FR618471D A FR 618471DA FR 618471 A FR618471 A FR 618471A
- 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
- G01J1/58—Photometry, e.g. photographic exposure meter using luminescence generated by light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR618471A true FR618471A (de) | 1927-03-10 |
Family
ID=1541112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR618471D Expired FR618471A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR618471A (de) |
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0
- FR FR618471D patent/FR618471A/fr not_active Expired