FR638702A - Improvements to road indicators - Google Patents
Improvements to road indicatorsInfo
- Publication number
- FR638702A FR638702A FR638702DA FR638702A FR 638702 A FR638702 A FR 638702A FR 638702D A FR638702D A FR 638702DA FR 638702 A FR638702 A FR 638702A
- Authority
- FR
- France
- Prior art keywords
- road indicators
- indicators
- road
- Prior art date
- 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
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR638702T | 1927-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR638702A true FR638702A (en) | 1928-06-01 |
Family
ID=8996196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR638702D Expired FR638702A (en) | 1927-08-01 | 1927-08-01 | Improvements to road indicators |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR638702A (en) |
-
1927
- 1927-08-01 FR FR638702D patent/FR638702A/en not_active Expired
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