FR560221A - - Google Patents
Info
- Publication number
- FR560221A FR560221A FR560221DA FR560221A FR 560221 A FR560221 A FR 560221A FR 560221D A FR560221D A FR 560221DA FR 560221 A FR560221 A FR 560221A
- 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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/06—Use of electric means to obtain final indication
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR560221A true FR560221A (nl) | 1923-10-01 |
Family
ID=1538834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR560221D Expired FR560221A (nl) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR560221A (nl) |
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0
- FR FR560221D patent/FR560221A/fr not_active Expired