FR648360A - - Google Patents
Info
- Publication number
- FR648360A FR648360A FR648360DA FR648360A FR 648360 A FR648360 A FR 648360A FR 648360D A FR648360D A FR 648360DA FR 648360 A FR648360 A FR 648360A
- 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
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR648360A true FR648360A (cs) | 1928-12-08 |
Family
ID=1542868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR648360D Expired FR648360A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR648360A (cs) |
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0
- FR FR648360D patent/FR648360A/fr not_active Expired