Standard Test Method for Retroreflectance of Horizontal Coatings1 This standard is issued under the fixed designation D 4061; the number…
![Astm D 4061 – 94 (Reapproved 2000) Pdf free download](https://civileng.co/wp-content/uploads/2021/03/Astm-D-4061-–-94-Reapproved-2000-Pdf-free-download.png)
Standard Test Method for Retroreflectance of Horizontal Coatings1 This standard is issued under the fixed designation D 4061; the number…