Standards Related to E809 - Standard Practice for Measuring Photometric Characteristics of Retroreflectors /
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Developed By: Committee E12 on Color and Appearance
Developed By: Committee E13 on Molecular Spectroscopy and Separation Science
Developed By: Committee E44 on Solar, Geothermal and Other Alternative Energy Sources
Developed By: Committee C21 on Ceramic Whitewares and Related Products