AASHTO T 257 : 1996(R 2018)
Current
Current
The latest, up-to-date edition.
METHOD OF TEST FOR INSTRUMENTAL PHOTOMETRIC MEASUREMENTS OF RETROREFLECTIVE MATERIALS AND RETROREFLECTIVE DEVICES
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
01-01-2018
This standard covers procedures for instrumental determinations of photometric characteristics of
retroreflective materials and retroreflective devices.
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