BE657970A - - Google Patents
Info
- Publication number
- BE657970A BE657970A BE657970DA BE657970A BE 657970 A BE657970 A BE 657970A BE 657970D A BE657970D A BE 657970DA BE 657970 A BE657970 A BE 657970A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
- E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33703464A | 1964-01-10 | 1964-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE657970A true BE657970A (US20090163788A1-20090625-C00002.png) | 1965-07-06 |
Family
ID=23318816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE657970D BE657970A (US20090163788A1-20090625-C00002.png) | 1964-01-10 | 1965-01-06 |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256666B (zh) * | 2020-02-17 | 2022-04-22 | 广州市城市规划勘测设计研究院 | 一种带刻度的放样工具 |
-
1965
- 1965-01-06 BE BE657970D patent/BE657970A/xx unknown
- 1965-01-07 GB GB816/65A patent/GB1100046A/en not_active Expired
- 1965-01-08 DK DK7565AA patent/DK107602C/da active
- 1965-01-08 DE DE19651472517 patent/DE1472517A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1472517A1 (de) | 1969-05-29 |
| GB1100046A (en) | 1968-01-24 |
| DK107602C (da) | 1967-06-12 |
