| 摘要 |
682,338. Reflex reflectors. BERRY, C. R DE. Oct. 16, 1950 [Feb. 23, 1950], No. 4667/50. Addition to 635,291. Class 97 (i). [Also in Group X] The surface dressing of the parent Specification is heated prior to the application to the material constituting a road-surface white line, or the white line may be heated immediately prior to the application of the surface dressing. The surface dressing may also be bunched towards the centre of the white line to give a, more efficient reflecting surface. |
