ASTM E809 – Standard Practice for Measuring Photometric Characteristics of Retroreflectors
1.1”This practice describes the general procedures for instrumental measurement of the photometric characteristics of retroreflective materials and retroreflective devices.
Product Details
Published:
01/01/2021
Number of Pages:
11
File Size:
1 file , 270 KB
Redline File Size:
2 files , 580 KB
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